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"Cyberspace is a metaphor that allows us to grasp this place where since about the time of the second world war we've increasingly done so many of the things that we think of as civilization."
- William Gibson

Beeper  
  A handheld radar set, used to find items that have drifted off.  

A beeper is a tiny radar set, not much bigger than a hand torch, which is used to locate objects that have drifted away from the station. It's got a range of a few miles on anything as large as a space suit and could pick up a ship a lot farther away. You wave it around in space, and when its beam hits anything you hear a series of "beeps." The closer you get to the reflecting object, the faster the beeps come, and with a little practice you can judge distances pretty accurately.
From Islands in the Sky, by Arthur C. Clarke.
Published by Not known in 1952
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