quantum hype

[Peter Fairbrother]

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 majordomo at metzdowd.com