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Direct action pumps and suction pumps are among the simplest water pumps.
A hot air balloon is a balloon aircraft which is lifted by hot air.
The three important laws describing planetary motion were formulated by Johannes Kepler.
In this experiment, we use buoyancy to study the balance of two glasses of water.
A spacecraft on its path is in a constant state of free fall.
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.
Water boils at 100 degrees Celsius. But is it possible to boil water at room temperature?