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APHORISMS OF FAMOUS PEOPLE
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Aphorisms of famous people. Korolev Sergei Pavlovich

Aphorisms of famous people

Free library / Aphorisms of famous people

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Korolyov Sergey Pavlovich The most famous aphorisms

  • Criticize someone else's, offer your own. Suggesting - do it.
  • Who wants to work - looking for funds, who does not want - reasons.
  • You can do it quickly, but badly, or you can do it slowly, but well. After a while, everyone will forget that it was fast, but will remember that it was bad. And vice versa.
  • Order frees thought.

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See also Sections Winged words, phraseological units и Proverbs and sayings of the peoples of the world.

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Random news from the Archive

Cotton as a semiconductor 05.03.2004

Uzbek physicists have discovered that cotton fiber has the properties of a semiconductor: it greatly changes its electrical conductivity under the influence of external factors. In principle, this makes it possible to create electronic elements based on cotton.

Cleaned and combed cotton fibers in bunches of about 7000 pieces were impregnated with a 10% iodine solution, and then dried at 50 degrees Celsius. It turned out that such a beam, if an electrical voltage is applied to its ends and illuminated with ultraviolet light, changes the electrical conductivity by 12-50 times.

Silicon doped with some impurities behaves in approximately the same way. When illuminated with ordinary white light, the behavior of the fiber is more complicated: the electrical conductivity first falls, after a while it becomes higher than the original, and in the dark after a few hours it is restored to normal.

The discovered effect makes it possible to make light-sensitive elements from cotton.

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