|  |  |  | The Lunar Chrysalis by  Raymond Z. Gallun:Science Fiction Inventions, Technology and Ideas
"THE last few years seem to have brought us some unaccountable seasonal 
changes. What if the changes should become more marked, and very much 
more serious, even to the point of injuring us? What would humanity do then? 
Such a calamity is, of course, not likely to happen for many thousands of years, 
but it is an interesting subject for speculation. 
  (From 'The Lunar Chrysalis' by Raymond Gallun)
 
One very marvelous solution — 
providing the method can be discovered, or invented — is offered by Mr. Gallun 
in this excellently written story of scientific interest. "
 
 Select
      an invention: 
    
        |  Gravity Detector A device capable of detecting the gravitational field of a distant mass.
 |  
    
        |  Space-Tent A small, portable air-tight structure used on the lunar surface.
 |    Technovelgy.com is devoted
      to the creative inventions of science fiction authors and movie makers. Look
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      interests you, the Glossary of Science Fiction
      Inventions, the Timeline of Science Fiction
      Inventions, or see what's New.Find new authors and technologies - Shop for yourself,
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