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"Science fiction operates a little bit like science itself, in principle. You've got thousands of people exploring ideas, putting forth their own hypotheses. Most of them are dead wrong; a few stand the test of time; everything looks kind of quaint in hind"
- Peter Watts

Helium Metal  
  An ore with the spectroscopic line of Helium.  

“A good while ago there was discovered in the Hudson’s Bay country great masses of ore containing metal which yielded the spectroscopic line of Helium, a metal unknown before except as observed in the sun. Helium differed in some ways from all other metals, and we could make no use of it until one of our most brilliant scientific men—an African named Mwanga, for Africa is now largely civilized and enlightened— discovered that its molecules under certain treatment could be so arranged as to neutralize gravitation. He came near being carried into space himself while experimenting with a big piece of rearranged Helium that suddenly shot off through the air and was never seen again.

“However, we finally learned to regulate the thing. And now you see this car is furnished with a Helium screen, which, once put into the nongravitating state, is adjusted and regulated by the voyager

From In the Deep of Time, by George Parsons Lathrop.
Published by Not known in 1897
Additional resources -

Compare with anergy from Across the Zodiac (1880) by Percy Greg and cavorite from The First Men in the Moon (1901) by H.G. Wells.

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Additional resources:
  More Ideas and Technology from In the Deep of Time
  More Ideas and Technology by George Parsons Lathrop
  Tech news articles related to In the Deep of Time
  Tech news articles related to works by George Parsons Lathrop

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