1 a wasting away of the body, as from poor nutrition, nerve damage, or disuse. 2  to undergo atrophy; wither; degenerate:His crippled leg began to atrophy with no exercise. 3  to become weakened; decline:Industry atrophied in bad economic times.
Voice Amplifiers / Long Range Listening Devices. Listening devices can be utilized for a variety of purposes including listening through a wall, listening from a distance or enjoying your favorite animals in the wild. More complex systems contain an audio transmitter and receiver.
In 1964 Xerox Corporation introduced LDX (Long Distance Xerography), an invention that is generally considered the first âcommercialâ version of todayâs fax machine. Xeroxâs 1966 Magnafax Telecopier could be connected to any telephone line, and could transmit a letter sized document in six minutes.