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Find out whether the marble reaches the finish line faster on the straight or on the curved slope.
A hot air balloon is a balloon aircraft which is lifted by hot air.
This animation introduces the studies of astronomers and physicists whose works...
The animation shows the way forces act on wheeled vehicles and vehicles with runners.
Waves play an extremely important role in many areas of our lives.
What is the speed of sound? What happens when an object exceeds the speed of sound?
Learn how to pierce a balloon without popping it.
How does a piece of a cork behave on the surface of a glass of water? You can examine that in...