Putting a candle out with carbon dioxide

What should we look out for in wine cellars? In this experiment we produce carbon dioxide with vinegar and baking powder.

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Archimedes' seesaw

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

Submarine operation

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

The magic chain

A spectacular optical illusion using a chain of closed rings.

Forces

The animation shows the way forces act on wheeled vehicles and vehicles with runners.

Physicists who changed the world

These great scientists had a tremendous impact on the advancement in physics.

The Doppler effect

It is a well-known phenomenon that the sound of an approaching sound source is higher...

Hot air balloon

A hot air balloon is a balloon aircraft which is lifted by hot air.

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