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What is the speed of sound? What happens when an object exceeds the speed of sound?
A spectacular optical illusion using a chain of closed rings.
A force can be measured by measuring the twisting of the torsion wire in a torsion balance.
Find out whether the marble reaches the finish line faster on the straight or on the curved slope.
This animation introduces the studies of astronomers and physicists whose works...
In this experiment, we use buoyancy to study the balance of two glasses of water.
Submarines submerge and surface by changing the average density of the hull.
A spacecraft on its path is in a constant state of free fall.