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This animation explains the most important characteristics of waves through sound waves.
What is the speed of sound? What happens when an object exceeds the speed of sound?
What should we look out for in wine cellars? In this experiment we produce carbon dioxide with...
It is a well-known phenomenon that the sound of an approaching sound source is higher...
Is a matchbox able to imitate the croak of frogs? With the following experiment we reveal the...
Learn how to pierce a balloon without popping it.
The animation shows the way forces act on wheeled vehicles and vehicles with runners.
Observe what happens when making sounds with shorter and shorter pieces of the same straw.