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Is it possible to turn pure water into a soft drink in a few seconds?
This lesson helps to understand the Doppler effect.
Waves play an extremely important role in many areas of our lives.
Learn how to pierce a balloon without popping it.
In this lesson you will learn more about how sound propagates.
Is a matchbox able to imitate the croak of frogs? With the following experiment we reveal the...
Experience the relationship between pitch and frequency through measurements.
This lesson is about the sound waves surrounding us.