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"Science fiction has gotten more accurate as we've gotten closer to the present, because science fiction stories have not only attracted, but also generated current scientists."
- Larry Niven
 |
| Cider Press | ||
| Device used to make acceleration above 1 gravity more tolerable for groundhogs. |
This is a very early reference; Doc Smith has an earlier one - but Heinlein has more detail!
| Against one bulkhead and flat to it were two bunks, or "cider presses," the bathtub-shaped hydraulic, pressure-distribution tanks used for high acceleration in torchships… Two gravities is not bad, not when you are floating in a liquid bed. The skin over the top of the cider press pushed up around me, supporting me inch by inch; I simply felt heavy and found it hard to breathe. |
| From Double Star,
by Robert Heinlein. Published by Doubleday in 1956 Additional resources -
|
Is this the invention of the waterbed? See the entry for hydraulic bed for the answer.
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