Mueen Nawaz wrote:
> Invisible wrote:
>> It's a phenomenon that has something to do with electricity, 
>> magnetism, waves and particles, but nobody really understands what 
>> exactly. ;-)
> 
>     Actually, I'm sure physicists believe they understand electricity 
> and magnetism to the letter.

As one physicist once put it, "you never really 'understand' new 
theories of physics; you just get used to them". I'm sure they have a 
complete mathematical model that explains all known observations, but 
that's not quite the same thing. ;-)

>> (I still can't figure out why you can use an oscilator to make radio 
>> waves, but not light rays...)
> 
>     Just needs to oscillate at the frequency of light - I have no idea 
> if it's practical, though.

Would need to be many THz - so I'm guessing "no"...

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