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Necessity

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Necessity is the mother of invention. Necessity is the mother of invention. Meaning Difficult situations inspire ingenious solutions.

Necessity is the mother of invention

Origin The author of this proverbial saying isn't known. It is sometimes ascribed to Plato and it does appear in translations of Plato's Republic. Those translations weren't made until much later than the phrase was in common use in English and are more likely to be the work of the translator than being a literal version of Plato's words. William Horman, the headmaster of Winchester and Eton, included the Latin form 'Mater artium necessitas' in Vulgaria, a book of aphorisms for the boys of the schools to learn by heart, which he published in 1519.

Roger Ascham came close to an English version of the phrase in his manual on how to use a longbow, which is by the way the first book ever written about archery, Toxophilus, 1545: "Necessitie, the inuentour of all goodnesse. " George Chapman also had a 'close but no cigar' moment with his tragic play The Conspiracy and Tragedy of Charles, Duke of Byron, 1608: See other proverbs. Necessity is the mother of invention. Necessity is the mother of invention author - AVG Yahoo Search Results.

Why 2200°F space shuttle heat tiles won’t burn your bare hands. The Space Shuttle was an amazing piece of engineering.

Why 2200°F space shuttle heat tiles won’t burn your bare hands

NASA had to solve hundreds of little problems no one had ever encountered before just to get the shuttles off the ground. However, getting them back down proved to be the most troublesome aspect of the shuttle design. NASA worked with aerospace companies to develop completely new kinds of heat insulating materials for the Space Shuttle’s heat tiles, and one YouTube user has been kind enough to share a video of the tiles in action. In the video you’ll see a giant industrial oven at Kennedy Space Center baking blocks of the material used in the shuttle’s thermal tiles.

The small white cubes are LI-900, a type of low-density surface insulation composed almost entirely of silica glass fibers. These tiles were coated with either black or white insulation in order to regulate temperatures while the shuttle was in orbit. LI-900 can be heated to 2200°F, which is exactly what the blocks in the video are heated to.