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

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Observe what happens when making sounds with shorter and shorter pieces of the same straw.

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A spectacular optical illusion using a chain of closed rings.


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Archimedes' seesaw

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

Aerodynamic lift

High speed generates a lift on airplane wings due to their asymmetrical profile.

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