Quirky Science
aktuálne záležitosti, politika, E6, S1606300030, 2012
Descrição
E06 Rubber comes from trees. South American tribes used it long before the world got to know about it. When Columbus witnessed Haitian natives playing ball he found himself mesmerized by the bouncing goo. The South American tribes also made "waterproof" shoes. When Western ships and their sailors brought these back home, the rubber melted on people's feet. And so did their profits. A stationer accidentally discovered the stuff made a pencil stripe disappear, by rubbing it, and suggested to call it 'India Rubber'. It took decades for someone to discover how to prevent rubber from melting in heat or stiffening in cold. Charles Goodyear found out how, by dropping a lump of natural rubber on his wife's stove. By now, chemists know that the vulcanization process links the rubber molecules like pearls on a string, making each piece of rubber one large molecule! Goodyear's invention spurs the Industrial Revolution. Rubber becomes such a wanted good it instigated a rubber boom - turning...
Programação
| Canal | Duração | Título |
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terça, 00:30 | Quirky Science |
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sábado, 00:35 | Quirky Science |
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sábado, 18:25 | Quirky Science |
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sábado, 18:55 | Quirky Science |
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domingo, 18:25 | Quirky Science |
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domingo, 18:55 | Quirky Science |