2
votes
1answer
106 views

Holograms? Sci Fi or future fact?

Based on how light behaves when it passes through mediums, i.e. the wavelength of light changes when it passes through mediums of different refractive indexes, wouldn't it be possible to convert ...
3
votes
1answer
276 views

Computer-Generated Holograms: I'm completely lost. How are they physically implemented?

I have been reading about holography, and I think I understand the general concept, but one thing that has me completely lost is how computer generated holography works in practice. I think I get the ...
2
votes
1answer
123 views

Is it possible to create a hologram using X-Rays?

Is it possible to create a hologram using X-Rays (or other penetrating EM-waves)?