The faithful cork

How does a piece of a cork behave on the surface of a glass of water? You can examine that in this experiment.

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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...

Balloon on a skewer

Learn how to pierce a balloon without popping it.

Characteristics of sound waves

This animation explains the most important characteristics of waves through sound waves.

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.

String saw

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

Re-lighting a candle

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

Resonance straw

Find out how to move the straws without touching them, using the phenomenon of resonance.

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