The Doppler effect

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

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Waves play an extremely important role in many areas of our lives.

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Hot air balloon

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

Newton’s Laws of Motion

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

Kepler´s laws of planetary motion

The three important laws describing planetary motion were formulated by Johannes Kepler.

Resonance straw

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

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