Rap 'n Tap

[ Home | Contents | Post | Reply | Next | Previous | Up ]


Re: CRYSTAL SET TRANSMITTERS

From: Lawrence A Pizzella
Date: 8/25/00
Time: 11:25:30 PM
Remote Name: 38.28.81.191

Comments

Stupid Return key...

I have heard that it is possible to bounce an IR LASER beam off a window and pick up sounds in the room. Vibrating glass FM's (phase modulates?) the reflected beam. It might be possible to do the same thing with microwave energy if you can get enough reflection. --Larry


Last changed: May 17, 2004