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Steam turbine

A drink can, water and a Bunsen burner can be used to create a special steam turbine.

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Torsion balances

A force can be measured by measuring the twisting of the torsion wire in a torsion balance.

Newton’s Laws of Motion

This animation demonstrates Sir Isaac Newton's three laws of motion that laid the...

String saw

In this experiment we prove that it is possible to cut a bottle with just a string.

What do you know about speed?

This lesson presents the concept of speed.

Cartesian diver

Objects denser than water sink in water.

Plastic bottle rocket

In this experiment, we convert a plastic bottle into a rocket.

Can we vacuum on the Moon?

This lesson explains the concept of atmospheric pressure.


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

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