Tag Vacuum - results: 2

How does a vacuum train

How does a vacuum train

the idea of a vacuum train were made by Robert Goddard in 1909 in the magazine "Scientific American". He offered to organize the movement of cars in a vacuum pipe on the basis of magnetic levitation. The world's first experiments ...

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2018-04-12

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Physicists say that even in a perfect vacuum can be friction

Physicists say that even in a perfect vacuum can be friction

One of the fundamental postulates of modern physics States that in the environment a perfect vacuum is space that does not contain any matter can not exist such a process, as friction, because completely empty space cannot act thi...

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2017-02-28

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