Frog violin

Is a matchbox able to imitate the croak of frogs? With the following experiment we reveal the secret in the acoustics of musical instruments.

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Find out whether the marble reaches the finish line faster on the straight or on the curved slope.

The development of celestial mechanics

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Archimedes' seesaw

In this experiment, we use buoyancy to study the balance of two glasses of water.

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

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A spacecraft on its path is in a constant state of free fall.

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