[14242] in cryptography@c2.net mail archive
Re: quantum hype
daemon@ATHENA.MIT.EDU (Matt Crawford)
Mon Sep 22 22:39:32 2003
X-Original-To: cryptography@metzdowd.com
X-Original-To: cryptography@metzdowd.com
Date: Mon, 22 Sep 2003 17:00:17 -0500
From: Matt Crawford <crawdad@fnal.gov>
In-reply-to: <BB951C2B.3A4D4%zenadsl6186@zen.co.uk>
To: Peter Fairbrother <zenadsl6186@zen.co.uk>
Cc: Michael_Heyman@NAI.com, cryptography@metzdowd.com
> 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 ...
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