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"the [science fiction] writer should be able to convince the reader (and himself) that the wonders he is describing really can come true...and that gets tricky when you take a good, hard look at the world around you."
- Frederik Pohl

Gravitic Generator  
  A device that produces an artificial gravity field.  

“However, if this local generation of a gravitic field can be used to nullify mass, we can make a spaceship that need not increase in mass as its velocity increases.

“Providing that my reasoning is any good. This is just conjecture and guess. I don’t know yet how much this gravitic generator will cover."

Technovelgy from Meddler's Moon, by George O. Smith.
Published by Astounding Science Fiction in 1947
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  More Ideas and Technology from Meddler's Moon
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