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Natural Science Forum / Physics / Optics / July 2008IR = heat = myth. UV is hotter than IR.
Hi: Naive individuals tend to associate infrared radiation with heat. This is wrong. Let's say there are two beams of light, one is UV and the other is IR. If the two beams have the same photons-per-second-per-square-meter and are absorbed with equal efficiency by the target, and we disregard the losses from the target after the beams are absorbed, the UV beam will result in a higher temperature than the IR beam because UV has more energy than IR. I am now thinking of using a UV laser to cook my butter pound cake! Regards, Radium On Jun 9, 8:35 pm, "Green Xenon [Radium]" <gluceg...@excite.com> wrote: > Hi: > > Naive individuals [...] eg: you. > On Jun 9, 8:35 pm, "Green Xenon [Radium]" <gluceg...@excite.com> > wrote: [quoted text clipped - 3 lines] > > eg: you. Please answer my question. What's up with the myth that IR = heat? In sci.physics Green Xenon [Radium] <glucegen1@excite.com> wrote: > > On Jun 9, 8:35 pm, "Green Xenon [Radium]" <gluceg...@excite.com> > > wrote: [quoted text clipped - 3 lines] > > > > eg: you. > Please answer my question. What's up with the myth that IR = heat? The myth is that you have more than two functioning brain cells. Hot things emit IR which is well known to those with more than two brain cells.  SignatureJim Pennino Remove .spam.sux to reply. > In sci.physics Green Xenon [Radium] <glucegen1@excite.com> wrote: > [quoted text clipped - 13 lines] > Hot things emit IR which is well known to those with more than two brain > cells. Very hot objects will emit more energy as ultraviolet radiation than infrared, but it requires temperatures at which the object can only exist in a plasma state. The surfaces of some stars do that. Our Sun isn't hot enough, though it does emit considerable energy in the ultraviolet. The OP is naive however in thinking that ultraviolet would be desirable for rapid cooking. Even cooking using infrared radiation has the problem of carbonizing the surface of the food while leaving the inside cold. Humans have been taught to think it tastes good for their food to have a burned surface and a raw core, particularly when the food is a dead bovine. But cooking with infrared energy (and liquid convection) is all humans had to cook with for tens of thousands of years. An ultraviolet oven would just worsen the charring effect. Enlightened people today cook food using electromagnetic energy at wavelengths similar to the size of the food being cooked to give uniform heating. That relatively recent invention is called the microwave oven. Food cooked in a microwave oven is at least it's thoroughly cooked even if it tastes awful. Where's that charred steak? >> In sci.physics Green Xenon [Radium] <glucegen1@excite.com> wrote: >> [quoted text clipped - 34 lines] > Food cooked in a microwave oven is at least it's thoroughly cooked even > if it tastes awful. Where's that charred steak? Personally, I like charring. Pork spare ribs that are smoke-black on the outside yet blood-red on the inside -- now thats yummy!!! Same for crossiant and muffins. A little charring goes a long way to enhancing the flavor. Best if the over has the UV laser on top shining down on the food below. Microwave oven are just for re-heating. Ever try cooking french fries in the microwave? EEK! NASTY!!!! So top that garlic bread with butter and then sear it in the UV laser over. In sci.physics, jimp@specsol.spam.sux.com <jimp@specsol.spam.sux.com> wrote on Tue, 10 Jun 2008 05:15:03 GMT <54f1i5-4dg.ln1@mail.specsol.com>: > In sci.physics Green Xenon [Radium] <glucegen1@excite.com> wrote: >> > On Jun 9, 8:35 pm, "Green Xenon [Radium]" <gluceg...@excite.com> [quoted text clipped - 11 lines] > Hot things emit IR which is well known to those with more than two brain > cells. Depends on how hot something is. The Sun is 5800K for example, and radiates all along the visible spectrum, as well as in the infrared and ultraviolet. Even electrical burner elements can glow a dull red when turned up high. (Not good for certain pans.) Of course, infrared cameras can easily pick up animals or humans wandering around in the dark. I don't know the exact wavelength offhand, though. Signature#191, ewill3@earthlink.net Useless C/C++ Programming Idea #2239120: void f(char *p) {char *q = p; strcpy(p,q); } ** Posted from http://www.teranews.com ** > In sci.physics, jimp@specsol.spam.sux.com > <jimp@specsol.spam.sux.com> [quoted text clipped - 27 lines] > humans wandering around in the dark. I don't know > the exact wavelength offhand, though. It's interesting to note that they used special IR instruments to detect live people after the recent earthquake in China. I notices that some of the instruments used a fiber optic bundle that allowed the sensor to be snaked around obstructions. They not only found and rescued humans, but I see that these instruments also let them find some trapped dogs and cats. SignatureTom Potter http://www.geocities.com/tdp1001/index.html http://notsocrazyideas.blogspot.com http://tdp1001.wiki.zoho.com http://groups.msn.com/PotterPhotos > Hot things emit IR which is well known to those with more than two brain > cells. Things that are much hotter emit UV. Besides not all hot things emit IR. Its gotta be off a certain temperature or above. Below that temp, you have submillimeter radiation, below that, yet get RF radiation. In incandescence, emission of shorter wavelengths requires higher temperature. In sci.physics Green Xenon [Radium] <glucegen1@excite.com> wrote: > > Hot things emit IR which is well known to those with more than two brain > > cells. > Things that are much hotter emit UV. Besides not all hot things emit IR. > Its gotta be off a certain temperature or above. Below that temp, you > have submillimeter radiation, below that, yet get RF radiation. Nope. SignatureJim Pennino Remove .spam.sux to reply. On Jun 9, 9:02 pm, "Green Xenon [Radium]" <gluceg...@excite.com> wrote: > > On Jun 9, 8:35 pm, "Green Xenon [Radium]" <gluceg...@excite.com> > > wrote: [quoted text clipped - 5 lines] > > Please answer my question. What's up with the myth that IR = heat? If I hand you a glowing cherry red piece of steel, would you grab it? Or can you connect the dots? > If I hand you a glowing cherry red piece of steel Cherry-red is not infrared. In sci.physics Green Xenon [Radium] <glucegen1@excite.com> wrote: > > If I hand you a glowing cherry red piece of steel > Cherry-red is not infrared. And you are too dim to understand what he is telling you. SignatureJim Pennino Remove .spam.sux to reply. On Jun 10, 3:50 pm, "Green Xenon [Radium]" <gluceg...@excite.com> wrote: > > If I hand you a glowing cherry red piece of steel > > Cherry-red is not infrared. No...no it isn't. > On Jun 9, 9:02 pm, "Green Xenon [Radium]" <gluceg...@excite.com> > wrote: >>> On Jun 9, 8:35 pm, "Green Xenon [Radium]" <gluceg...@excite.com> >>> wrote: >>>> Hi: >>>> Naive individuals [...] >>> eg: you. >> Please answer my question. What's up with the myth that IR = heat? > If I hand you a glowing cherry red piece of steel, would you grab it? If I grabbed it, then the conductive heat would burn my hand. Nothing to do with IR radiation. No offense but what's your point? On Jun 18, 4:47 pm, "Green Xenon [Radium]" <gluceg...@excite.com> wrote: > > On Jun 9, 9:02 pm, "Green Xenon [Radium]" <gluceg...@excite.com> > > wrote: [quoted text clipped - 9 lines] > If I grabbed it, then the conductive heat would burn my hand. Nothing to > do with IR radiation. No offense but what's your point? How do you know its' hot? Eric Gisse <jowr.pi@gmail.com> wrote in news:5f328440-820e-4150-b96d- 4de2fa4de68d@c19g2000prf.googlegroups.com: > On Jun 18, 4:47 pm, "Green Xenon [Radium]" <gluceg...@excite.com> > wrote: [quoted text clipped - 13 lines] > > How do you know its' hot? To be more precise, why is it you can feel it is hot simply by placing your hand close to the object? Brian Signaturehttp://www.skywise711.com - Lasers, Seismology, Astronomy, Skepticism Seismic FAQ: http://www.skywise711.com/SeismicFAQ/SeismicFAQ.html Quake "predictions": http://www.skywise711.com/quakes/EQDB/index.html Sed quis custodiet ipsos Custodes? > Eric Gisse <jowr.pi@gmail.com> wrote in news:5f328440-820e-4150-b96d- > 4de2fa4de68d@c19g2000prf.googlegroups.com: >> On Jun 18, 4:47 pm, "Green Xenon [Radium]" <gluceg...@excite.com> >> wrote: >>>> On Jun 9, 9:02 pm, "Green Xenon [Radium]" <gluceg...@excite.com> >>>> wrote: >>>>>> On Jun 9, 8:35 pm, "Green Xenon [Radium]" <gluceg...@excite.com> >>>>>> wrote: >>>>>>> Hi: >>>>>>> Naive individuals [...] >>>>>> eg: you. >>>>> Please answer my question. What's up with the myth that IR = heat? >>>> If I hand you a glowing cherry red piece of steel, would you grab it? >>> If I grabbed it, then the conductive heat would burn my hand. Nothing to >>> do with IR radiation. No offense but what's your point? >> How do you know its' hot? > To be more precise, why is it you can feel it is hot simply > by placing your hand close to the object? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? > On Jun 18, 4:47 pm, "Green Xenon [Radium]" <gluceg...@excite.com> > wrote: >>> On Jun 9, 9:02 pm, "Green Xenon [Radium]" <gluceg...@excite.com> >>> wrote: >>>>> On Jun 9, 8:35 pm, "Green Xenon [Radium]" <gluceg...@excite.com> >>>>> wrote: >>>>>> Hi: >>>>>> Naive individuals [...] >>>>> eg: you. >>>> Please answer my question. What's up with the myth that IR = heat? >>> If I hand you a glowing cherry red piece of steel, would you grab it? >> If I grabbed it, then the conductive heat would burn my hand. Nothing to >> do with IR radiation. No offense but what's your point? > How do you know its' hot? The radiant heat emitted from it. Air molecules nearby might also emit conductive heat when heated by the metal. In sci.physics Green Xenon [Radium] <glucegen1@excite.com> wrote: > The radiant heat emitted from it. Air molecules nearby might also emit > conductive heat when heated by the metal. In the immortal words of Bugs Bunny, "What a maroon". SignatureJim Pennino Remove .spam.sux to reply. > In sci.physics Green Xenon [Radium] <glucegen1@excite.com> wrote: >> The radiant heat emitted from it. Air molecules nearby might also emit >> conductive heat when heated by the metal. > In the immortal words of Bugs Bunny, "What a maroon". If IR = heat, then why not simply build an IR laser and call it a "heat ray"? In sci.physics Green Xenon [Radium] <glucegen1@excite.com> wrote: > > In sci.physics Green Xenon [Radium] <glucegen1@excite.com> wrote: > >> The radiant heat emitted from it. Air molecules nearby might also emit > >> conductive heat when heated by the metal. > > In the immortal words of Bugs Bunny, "What a maroon". > If IR = heat, then why not simply build an IR laser and call it a "heat > ray"? Ibid. SignatureJim Pennino Remove .spam.sux to reply. > In sci.physics Green Xenon [Radium] <glucegen1@excite.com> wrote: >>> In sci.physics Green Xenon [Radium] <glucegen1@excite.com> wrote: >>>> The radiant heat emitted from it. Air molecules nearby might also emit >>>> conductive heat when heated by the metal. >>> In the immortal words of Bugs Bunny, "What a maroon". >> If IR = heat, then why not simply build an IR laser and call it a "heat >> ray"? > Ibid. Huh? WTF does 'Ibid' mean? Please answer my question: "If IR = heat, then why not simply build an IR laser and call it a "heat ray"?" Please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please In sci.physics Green Xenon [Radium] <glucegen1@excite.com> wrote: > > In sci.physics Green Xenon [Radium] <glucegen1@excite.com> wrote: > >>> In sci.physics Green Xenon [Radium] <glucegen1@excite.com> wrote: > >>>> The radiant heat emitted from it. Air molecules nearby might also emit > >>>> conductive heat when heated by the metal. > >>> In the immortal words of Bugs Bunny, "What a maroon". > >> If IR = heat, then why not simply build an IR laser and call it a "heat > >> ray"? > > Ibid. > Huh? WTF does 'Ibid' mean? It is an abbreviation of ibidem. > Please answer my question: "If IR = heat, then why not simply build an > IR laser and call it a "heat ray"?" Your question was answered. You just don't like the answer. SignatureJim Pennino Remove .spam.sux to reply. > In sci.physics Green Xenon [Radium] <glucegen1@excite.com> wrote: > [quoted text clipped - 22 lines] > > You just don't like the answer. Where was my question answered???? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? 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If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? If IR = heat, then why not simply build an IR laser and call it a "heat ray"? In sci.physics Green Xenon [Radium] <glucegen1@excite.com> wrote: > > In sci.physics Green Xenon [Radium] <glucegen1@excite.com> wrote: > > [quoted text clipped - 22 lines] > > > > You just don't like the answer. > Where was my question answered???? Here: In the immortal words of Bugs Bunny, "What a maroon". <snip a thousand lines of utter childish nonsense> SignatureJim Pennino Remove .spam.sux to reply. > Here: > > In the immortal words of Bugs Bunny, "What a maroon". The definition of "maroon" can be found below but it has ABSOLUTELY *^NOTHING^* to do with my question!!!! http://www.answers.com/maroon&r=67 So I will furiously ask again until I receive a scientific response: If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? If IR = heat, then why not simply build any IR beam and call it a "heat ray"? In sci.physics Green Xenon [Radium] <glucegen1@excite.com> wrote: > > Here: > > > > In the immortal words of Bugs Bunny, "What a maroon". > The definition of "maroon" can be found below but it has ABSOLUTELY > *^NOTHING^* to do with my question!!!! > http://www.answers.com/maroon&r=67 Wrong definition fool. > So I will furiously ask again until I receive a scientific response: The technical answer would be that you are a babbling, mouth breathing, uneducated, illiterate, drooling, sniviling, childish idiot. Or, as some people would say, "That boy ain't right". <snip over 800 childish lines of crap> SignatureJim Pennino Remove .spam.sux to reply. On Jun 18, 7:04 pm, "Green Xenon [Radium]" <gluceg...@excite.com> wrote: > > On Jun 18, 4:47 pm, "Green Xenon [Radium]" <gluceg...@excite.com> > > wrote: [quoted text clipped - 14 lines] > The radiant heat emitted from it. Air molecules nearby might also emit > conductive heat when heated by the metal. Now say it is behind a window. How do you know it is hot? > On Jun 18, 7:04 pm, "Green Xenon [Radium]" <gluceg...@excite.com> > wrote: >>> On Jun 18, 4:47 pm, "Green Xenon [Radium]" <gluceg...@excite.com> >>> wrote: >>>>> On Jun 9, 9:02 pm, "Green Xenon [Radium]" <gluceg...@excite.com> >>>>> wrote: >>>>>>> On Jun 9, 8:35 pm, "Green Xenon [Radium]" <gluceg...@excite.com> >>>>>>> wrote: >>>>>>>> Hi: >>>>>>>> Naive individuals [...] >>>>>>> eg: you. >>>>>> Please answer my question. What's up with the myth that IR = heat? >>>>> If I hand you a glowing cherry red piece of steel, would you grab it? >>>> If I grabbed it, then the conductive heat would burn my hand. Nothing to >>>> do with IR radiation. No offense but what's your point? >>> How do you know its' hot? >> The radiant heat emitted from it. Air molecules nearby might also emit >> conductive heat when heated by the metal. > Now say it is behind a window. How do you know it is hot? Radiant heat. On Jun 18, 8:08 pm, "Green Xenon [Radium]" <gluceg...@excite.com> wrote: > > On Jun 18, 7:04 pm, "Green Xenon [Radium]" <gluceg...@excite.com> > > wrote: [quoted text clipped - 18 lines] > > Radiant heat. f.ck this, you are too dense. I'll just give you the answer. The glowing object is glowing because the peak of its' blackbody emission is in the visible. Warm objects are seem like that because the blackbody peak at low temperatures is in the IR, which your skin readily absorbs. > On Jun 18, 8:08 pm, "Green Xenon [Radium]" <gluceg...@excite.com> > wrote: >>> On Jun 18, 7:04 pm, "Green Xenon [Radium]" <gluceg...@excite.com> >>> wrote: >>>>> On Jun 18, 4:47 pm, "Green Xenon [Radium]" <gluceg...@excite.com> >>>>> wrote: >>>>>>> On Jun 9, 9:02 pm, "Green Xenon [Radium]" <gluceg...@excite.com> >>>>>>> wrote: >>>>>>>>> On Jun 9, 8:35 pm, "Green Xenon [Radium]" <gluceg...@excite.com> >>>>>>>>> wrote: >>>>>>>>>> Hi: >>>>>>>>>> Naive individuals [...] >>>>>>>>> eg: you. >>>>>>>> Please answer my question. What's up with the myth that IR = heat? >>>>>>> If I hand you a glowing cherry red piece of steel, would you grab it? >>>>>> If I grabbed it, then the conductive heat would burn my hand. Nothing to >>>>>> do with IR radiation. No offense but what's your point? >>>>> How do you know its' hot? >>>> The radiant heat emitted from it. Air molecules nearby might also emit >>>> conductive heat when heated by the metal. >>> Now say it is behind a window. How do you know it is hot? >> Radiant heat. > f.ck this, you are too dense. I'll just give you the answer. > > The glowing object is glowing because the peak of its' blackbody > emission is in the visible. Warm objects are seem like that because > the blackbody peak at low temperatures is in the IR, which your skin > readily absorbs. Thanks for clearing up my confusion. > Hi: > [quoted text clipped - 7 lines] > > I am now thinking of using a UV laser to cook my butter pound cake! But a UV laser with the same photon flux as an IR laser would be much more expensive! :) --- sam | Sci.Electronics.Repair FAQ: http://www.repairfaq.org/ Repair | Main Table of Contents: http://www.repairfaq.org/REPAIR/ +Lasers | Sam's Laser FAQ: http://www.repairfaq.org/sam/lasersam.htm | Mirror Sites: http://www.repairfaq.org/REPAIR/F_mirror.html Important: Anything sent to the email address in the message header above is ignored unless my full name AND either lasers or electronics is included in the subject line. Or, you can contact me via the Feedback Form in the FAQs. > But a UV laser with the same photon flux as an IR laser would be much more > expensive! :) Why? On Jun 9, 11:35 pm, "Green Xenon [Radium]" <gluceg...@excite.com> wrote: > Hi: > > Naive individuals tend to associate infrared radiation with heat. That's because the nerve cells in their skin are tuned to be more receptive to IR than to UV. Perception heat, not physical heat. Doh! > This > is wrong. Let's say there are two beams of light, one is UV and the [quoted text clipped - 9 lines] > > Radium > That's because the nerve cells in their skin are tuned to be more > receptive to IR than to UV. Perception heat, not physical heat. IR itself does not stimulate nerve cells. It's the temperature that does. The heat receptors' excitation does not at all relate to whether the heat is radiant, conductive, or convective. It's the increase in temperature that stimulates heat receptors. IR has absolutely no effect on heat receptors, because IR is not heat any more than any electromagnetic radiation is. Heat is the type of energy that results from temperature difference and is carried from the higher-temperature object to the lower-temperature object. Just what the quantum particle/wave of heat is, continues to be a complete mystery -- and no it is *not* the phonon. Phonon is the quantum of sound. Any ways, more about heat perception can be found in the following links: http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/P/Pain.html http://www.islandnet.com/~yesmag/brain/brainbump.php?id=95 Do note that IR radiation is entirely irrelevant. Why does everyone keep feeding this troll? He's been posting questions like this for as long as I've been on the 'net in the late 90's. And there is ALWAYS some twist to it involving UV lasers. Brian Signaturehttp://www.skywise711.com - Lasers, Seismology, Astronomy, Skepticism Seismic FAQ: http://www.skywise711.com/SeismicFAQ/SeismicFAQ.html Quake "predictions": http://www.skywise711.com/quakes/EQDB/index.html Sed quis custodiet ipsos Custodes? In sci.physics Skywise <into@oblivion.nothing.com> wrote: > Why does everyone keep feeding this troll? > He's been posting questions like this for as long as I've been on > the 'net in the late 90's. > And there is ALWAYS some twist to it involving UV lasers. Nah, sometimes he babbles on in his incoherent fashion about green lasers. SignatureJim Pennino Remove .spam.sux to reply. On Jun 9, 11:35 pm, "Green Xenon [Radium]" <gluceg...@excite.com> wrote: > Hi: > [quoted text clipped - 11 lines] > > Radium It is not really wrong for objects found at normal temperatures. If we take an object at around 800 degrees or cooler, the MAJORITY of the radiation is at wavelengths in the infrared region of the spectrum. If objects are VERY hot, sure the most of the radiation is at visible or shorter, but these are not the objects we normally deal with. The so-called thermal infrared is a special case for objects close to ambient radiation. For such objects, most of the radiation is at wavelengths longer than about four microns. If we heat a person to a wavelength where the majority of radiation from the body is at UV wavelengths, we wouldn't have body for very long- it would disassociate and disappear :-) I sure never want to get hot enough to give off substantial visible for UV radiation! On Jun 10, 12:35 am, "Green Xenon [Radium]" <gluceg...@excite.com> wrote: > Hi: > [quoted text clipped - 11 lines] > > Radium Of course, you are right. Energy is energy. IR is no more heat than UV. However, people refer to IR as heat because it generally has no other effect on a surface than to raise the temperature. UV causes photochemical reactions. So in terms of application, IR is often referred to as heat. Look at it another way. The heat to work ratio is much higher for IR than for UV. The UV causes more photochemical and photoelectrical reactions than IR, and hence is less likely to be called "heat." Example from Organic chemistry: Suppose there is an exothermic chemical reaction you wish to speed up. The reaction is going slowly, but you want to raise the temperature just to speed up the reaction. You don't want any other chemical reaction to start. Which do you use? IR! IR will speed the chemical reaction up without adding photochemical reactions. Suppose you want have this plastic goop and you want to harden it by photochemical reactions. The goop is evaporating. You know raising the temperature will speed up evaporation. Which do you use? UV! UV will cause photochemical reactions, IR will not. One way to say this is that UV contains less entropy per joule than IR. IR has so much entropy per joule that one may as well call it heat. > On Jun 10, 12:35 am, "Green Xenon [Radium]" <gluceg...@excite.com> > wrote: [quoted text clipped - 13 lines] >> >> Radium > Of course, you are right. Energy is energy. IR is no more heat than > UV. However, people refer to IR as heat because it generally has no [quoted text clipped - 17 lines] > than IR. IR has so much entropy per joule that one may as well call it > heat. Thanks a bunch. I greatly appreciate answers like this. "jimp@specsol.spam.sux.com" was being such a jerk. In sci.physics Green Xenon [Radium] <glucegen1@excite.com> wrote: > Thanks a bunch. I greatly appreciate answers like this. > "jimp@specsol.spam.sux.com" was being such a jerk. Aw, did you get your wittle feewings hurt? Go ask mommy to kiss it and make it better. SignatureJim Pennino Remove .spam.sux to reply. |
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