/. [Snooping Through Walls with Microwaves]
Link: http://slashdot.org/article.pl?sid=05/10/26/0424211 Posted by: ScuttleMonkey, on 2005-10-26 10:26:00 denis-The-menace writes "According to an article from newscientist, scientists have devised a system to [1]use microwave energy for surveillance. If people are speaking inside the room, any flimsy surface, such as clothing, will be vibrating. This modulates the radio beam reflected from the surface. Although the radio reflection that passes back through the wall is extremely faint, the kind of electronic extraction and signal cleaning tricks used by NASA to decode signals in space can be used to extract speech. Although, I doubt it would work in [2]this room" References 1. http://www.newscientist.com.nyud.net:8090/article.ns?id=dn8208 2. http://www.imagireal.com.nyud.net:8090/gallery/foiled ----- End forwarded message ----- -- Eugen* Leitl <a href="http://leitl.org">leitl</a> ______________________________________________________________ ICBM: 48.07100, 11.36820 http://www.leitl.org 8B29F6BE: 099D 78BA 2FD3 B014 B08A 7779 75B0 2443 8B29 F6BE [demime 1.01d removed an attachment of type application/pgp-signature which had a name of signature.asc]
participants (1)
-
Eugen Leitl