Surface tension

Surface tension is the property of a liquid that allows it to obtain the smallest surface area possible.

Related extras

Hot air balloon

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

The development of celestial mechanics

This animation introduces the studies of astronomers and physicists whose works...

Newton’s Laws of Motion

This animation demonstrates Sir Isaac Newton's three laws of motion that laid the...


In rock-paper-scissors, the least popular choice of players is paper. But is it really...

The clever karate master

Can we break a stick with the weight of only a few sheets of paper?

Re-lighting a candle

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

Beverage machine - Part 1

Is it possible to turn pure water into a soft drink in a few seconds?

Physicists who changed the world

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

Added to your cart.