Right anyone remember this thing, or know how it might work.
This must have been a year or so back now, but I was watching an episode of
"Hard Copy" (how shameful admitting that!) and there was one article about a
group of people that made a device (description to follow) that pointed
towards any substance that you were looking for (ie coccain in school
cafateria).
Description:
Device was a rectangular box with an air cavity in the center of it. A
sample of what you are looking for is inserted to sit beside the air cavity.
At the top of the box there was an aerial that swung around to point in the
direction of what you are looking for.
It was small enough to grip in the hands. (kind of like holding a small
bottle in front of you. The aerial came out the equivalent of the mouth of
the bottle at 90 degrees).
Any info would be great
Thanks
MR