sci.physics

jimp@ wrote:

> In jjoensuu wrote:
> > Hi all
>
> > wanted to ask following questions, just out of curiosity:
>
> > About visible light being electromagnetic radiation:
> > 1. since visible light is essentially electromagnetic radiation, has
> > any experiments been made to take, let's say radiowaves, and increase
> > the frequency to make visible light?
>
> Light is not "essentially electromagnetic radiation".
>
> Light is electromagnetic radiation.
>
> How do you increase the frequency of "radiowaves"?
>
> > 2. since visible light has a magnetic component to it, has any
> > experiments been made to see if this can be used to direct the light
> > with the help of an external magnetic field (for . creating
> > holograms or invisibility without metamaterials)?
>
> > About using the magnetic component of an electromagnetic field to
> > transfer power:
> > 3. I remember reading somewhere that the magnetic component does not
> > propagate through the space between the sending and the receiving
> > units. In other words that there is no wave between the sender and the
> > receiver as there would be with the electric component does (such as
> > in case of a radio wave). The question I have about this is whether
> > this means that the transfer of the magnetic component can be
> > considered "superluminal"?
>
> > thanks in advance,
>
> See above.
>
> I would highly suggest reading up on electromagnetic radiation before
> asking any more questions as you current questions show zero understanding.

Reminiscent of a radium post.

Graham