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American scientists have been able to understand the children's story: an impact to the neck of the bottle knocks the bottom-VIDEO PDF Print E-mail
Sunday, 21 October 2012 12:18

A team of U.S. scientists explained the famous children's focus- an impact to the neck of the bottle knocks the bottom. According to U.S. scientists, cause of knocking bottom of the bottle is the so-called cavitation effervescence. According to U.S. scientists, the bottom of the bottle breaks off only if the bottle was completely filled with water, as an impact to the neck of the bottle leads to many bubbles at its bottom, the so-called cavitation bubbles, which occur with a sharp decrease of pressure in the fluid, but since then the pressure inside the bottle is restored, the bubbles interact to 10 times faster, than with it’s appearance, which leads to the appearance of cracks and knocking out the bottom of the bottle, VIDEO:

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НАЖМИТЕ ЗДЕСЬ ДЛЯ ПРОСМОТРА ВСЕГО СПИСКА НОВОСТЕЙ О НЕОБЫЧНЫХ ЯВЛЕНИЯХ>>>

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