Natural Science Forum / Physics / Electromagnetism

I have found the two different modern explanationn:
1. From  Wiki: http://en.wikipedia.org/wiki/Faraday_paradox
"Modern explanations
[edit] Using the Lorentz force

Hii all..
Is it possible to design a lens(using magnetic fields, dielectric
media etc) so as to focus an existing electric field on to a localized
region on a electrode. I hope the following picture illustrates what I