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A hot air balloon is a balloon aircraft which is lifted by hot air.
A force can be measured by measuring the twisting of the torsion wire in a torsion balance.
In this lesson you will learn more about how sound propagates.
This lesson presents some of the laws of physics through the operation of the bicycle.
Waves play an extremely important role in many areas of our lives.
These great scientists had a tremendous impact on the advancement in physics.
In this experiment, we convert a plastic bottle into a rocket.
Can we break a stick with the weight of only a few sheets of paper?