Vietnam or Thailand ? Vote for the TOP Country of the Week !
A metal button was fastened to one corner of the wafer, and a simple drawing was imbedded in the wafer. Brion held it to the light and saw a picture of a man's hand squeezing the button between thumb and forefinger. It was a subminiaturized playback; mechanical pressure on the case provided enough current to play the recorded message. The plastic sheet vibrated, acting as a loudspeaker.
Word Of The Day