Matt Crawford wrote: >> BTW, you can decrease the wavelength of a photon by bouncing it off >> moving >> mirrors. > > Sure. To double the energy (halve the wavelength), move the mirror at > 70% of the speed of light. And since you don't know exactly when the > photon is coming, keep it moving at that speed ... > I never suggested it was very practical, but:
Trap it in a cavity between two parallel mirrors, and shrink the cavity. It doesn't matter (within reason) how fast you shrink it, just how much. :) -- Peter Fairbrother --------------------------------------------------------------------- The Cryptography Mailing List Unsubscribe by sending "unsubscribe cryptography" to [EMAIL PROTECTED]
