Keplers love om planetarisk bevægelse

De tre vigtige love, der beskriver planetarisk bevægelse, blev formuleret af Johannes Kepler.

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Balloon on a skewer

Learn how to pierce a balloon without popping it.

Pitch and frequency, Part II

Experience the relationship between pitch and frequency through measurements.

Sugepumper og trykpumper

Trykpumper og sugepumper er blandt de enkleste vandpumper.


En varmluftballon er en ballon, der løftes af varm luft.

The magic chain

A spectacular optical illusion using a chain of closed rings.

Putting a candle out with carbon dioxide

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

Resonance straw

Find out how to move the straws without touching them, using the phenomenon of resonance.

The faithful cork

How does a piece of a cork behave on the surface of a glass of water? You can examine that in...

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