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"Individual science fiction stories may seem as trivial as ever to the blinder critics and philosophers of today -- but the core of science fiction, its essence has become crucial to our salvation if we are to be saved at all."
- Isaac Asimov

Alohydrolium  
  The lightest metal.  

Moreover, it was made of Alohydrolium, which is the lightest of all metals, being one-eighth the weight of aluminum...

(Alohydrolim is a magnetic metal)...

From Ralph 124c 41 +, by Hugo Gernsback.
Published by Modern Electrics in 1911
Additional resources -

Compare to lux from The Black Star Passes (1930) by John W. Campbell, helio-beryllium from Out Around Rigel (1931) by Robert H. Wilson, sodaluminum from Exiles of the Moon (1931) by Nat Schachner (w. AL Zagat) and harbenite from Tarzan at the Earth's Core (1929) by Edgar Rice Burroughs. And don't forget nothing from It was Nothing - Really! (1969) by Theodore Sturgeon.

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Additional resources:
  More Ideas and Technology from Ralph 124c 41 +
  More Ideas and Technology by Hugo Gernsback
  Tech news articles related to Ralph 124c 41 +
  Tech news articles related to works by Hugo Gernsback

Alohydrolium-related news articles:
  - Reconfigured Graphene 10X Strong, 5 Percent Dense, As Steel

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