[23475] in cryptography@c2.net mail archive
"time reversal acoustics"
daemon@ATHENA.MIT.EDU (Udhay Shankar N)
Sat Apr 22 14:15:19 2006
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Date: Sat, 22 Apr 2006 23:35:26 +0530
To: cryptography@metzdowd.com
From: Udhay Shankar N <udhay@pobox.com>
I found this off a link from Schneier's newsletter. Can anybody
comment on this?
Udhay
http://www.physorg.com/news12093.html
>For every burst of sound, there must exist a sound that bursts in
>reverse, according to the theory of time reversal acoustics. From
>their discoveries of some surprising characteristics of mediums and
>frequencies, scientists have gained insight into acoustic time
>reversal, which could impact applications such as sending
>confidential messages in cryptography.
--
((Udhay Shankar N)) ((udhay @ pobox.com)) ((www.digeratus.com))
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