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"You have to budget the number of fuzzy rules you use to control a system. It turns out, you can state the optimality principle in three words: 'patch the bumps.'"
- Bart Kosko
 |
| Joy-boat Junior | ||
| A private space yacht, capable of suborbital journeys. |
At this point in Heinlein's Future History, humanity had conquered space to the point of colonizing the Moon, Venus and Mars. A faster-than-light drive had not yet been invented; spacecraft worked in a manner similar to those in use today, in that the craft was pushed forward by throwing mass the other way as fast as possible.
Lazarus Long was on a large ship in orbit, when a smaller craft locked on to a port - somewhat unexpectedly.
| Why, the ship wasn't a proper deep-space craft at all. It did not have an airlock but merely a seal to let it fasten to a larger ship; Lazarus was staring right into the body of the craft. It looked like - yes, it was a "Joy-boat Junior," a little private strato-yacht, suitable only for point-to-point trajectory, or at the most for rendezvous with a satellite provided the satellite could refuel it for the return leg. |
| From Methuselah's Children,
by Robert Heinlein. Published by Astounding Science-Fiction in 1941 Additional resources -
|
In the novel, wealthy individuals owned their own small spacecraft in the same way that wealthy individuals today own Lear jets. Once you filed a flight plan at your space field (and "cut through the red tape of interplanetary travel"), you were free to go wherever your craft could take you.
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| SKYLON Space Plane Gets Boost |
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