String saw

In this experiment we prove that it is possible to cut a bottle with just a string.

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Simple harmonic motion and uniform circular motion

Simple harmonic motion can be considered to be the one-dimensional projection of uniform...

Re-lighting a candle

Can a candle be re-lit if the flame of the match does not even touch it?

Hot air balloon

A hot air balloon is a balloon aircraft in which is lifted by hot air.

Physicists who changed the world

These great scientists had a tremendous impact on the advencement in physics.

Submarine operation

Submarines submerge and surface by changing the average density of the hull.

Torsion balances

A force can be measured by measuring the twisting of the torsion wire in a torsion balance.

Thermal expansion of bridges

The length of the metal frameworks of bridges change when the temperature changes.

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