I think I mentioned this in one of my earlier posts. Something about using a Laser for communications. Well if it wasn't here I remember having the conversation recently. It would be nice if someone published plans on putting together a LASER listening device. You know the ones you bounce the LASER off the window and the vibrations are amplified so you can hear the noises/converstaions in the room (hmmm doesn't seem legal does it? Not sure that it is - but here's the site for your viewing pleasure).
Here's a couple sites:
Here for a description and sample audio.
Here's a better copy of the
schematic.
More
information/plans for the LASER Bounce Listening Device
Wonder why this person didn't use IR or Non-Visible band laser light? Seems like that would be a little less 'obvious' at night.
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