Common Sense by Robert Heinlein:
Science Fiction Inventions, Technology and Ideas

Together with Universe, published a few months earlier, Common Sense is one of the earliest uses of the generation ship idea. The self-sustaining ship Vanguard is just cruising on its own through interstellar space in the centuries following a mutiny that killed the officers.

The two parts were published as Orphans in the Sky in 1951. Select an invention:

Pseudogravity
Gravity produced by artifice, rather than by a suitably large mass.

 

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