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Learn how to pierce a balloon without popping it.
A hot air balloon is a balloon aircraft which is lifted by hot air.
It is a well-known phenomenon that the sound of an approaching sound source is higher...
The length of the metal frameworks of bridges change when the temperature changes.
This animation explains the most important characteristics of waves through sound waves.
This animation demonstrates Sir Isaac Newton's three laws of motion that laid the...
Observe what happens when making sounds with shorter and shorter pieces of the same straw.
What should we look out for in wine cellars? In this experiment we produce carbon dioxide with...