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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
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| Crysknife | ||
| A knife blade ground from the tooth of a giant sandworm of Dune. |
The crysknife is the preferred hand-to-hand fighting weapon of the Fremen, the native people of Arrakis (the planet Dune).
| Slowly, Mapes reached into the neck of her dress, brought out a dark sheath. A black handle with deep finger ridges protruded from it. She took sheath in one hand and handle in the other, withdrew a milk-white blade, held it up. The blade seemed to shine and glitter with a light of its own. It was double-edged like a kindjal and the blade was perhaps twenty centimeters long.
 (Mapes shows crysknife from 'Dune' by Frank Herbert) "Do you know this, my Lady?" Mapes asked. It could only be one thing, Jessica knew, the fabled crysknife of Arrakis, the blade that had never been taken off the planet, and was known only by rumor and wild gossip. |
| Technovelgy from Dune,
by Frank Herbert. Published by Putnam in 1965 Additional resources -
|
It is manufactured in two forms from teeth taken from dead sandworms. The two forms are "fixed" and "unfixed." An unfixed knife requires proximity to a human body's electrical field to prevent disintegration. Fixed knives are chemically treated for storage. All are about 20 centimeters long.
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'I made disks of my own voice to the number of five hundred very carefully chosen words.'
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'It sounds to me as though you had invented a kind of metal earthworm.'
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'The steel tortoise gave MacKinnon a feeling of Crusoe- like independence.'
'...then back to their work, though little enough it was on these automatic cultivators.'
