Kepler´s laws of planetary motion

The three important laws describing planetary motion were formulated by Johannes Kepler.

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We can further develop the machine we presented in the previous video, so it can dispense...

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This lesson is about the sound waves surrounding us.

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In rock-paper-scissors, the least popular choice of players is paper. But is it really the...

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Experience the relationship between pitch and frequency through measurements.

Submarine operation

Submarines submerge and surface by changing the average density of the hull.

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