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"Does it open a new horizon for my thinking? Does it lead me to think new kinds of thoughts, that I would not otherwise perhaps have thought at all? These qualities are what [make] science fiction ...unique."
- Frederik Pohl

Seleno-Cosmo-Tel  
  Device to automatically avoid asteroids or other bodies.  

He set his course for Betelgeuse, set the instruments for automatic control, and prepared for hours of weary calculations. Danger of collision with asteroids? There was none at his present moderate velocity. A seleno-cosmo-tel, sensitive to the presence of any body with a larger diameter than a hundred feet within a radius of a million miles, would swing the cruiser out of danger.
From A Race Through Time, by Donald Wandrei.
Published by Astounding Science Fiction in 1933
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