Surface tension

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

Related extras

Newton’s Laws of Motion

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

Exceeding the speed of sound

What is the speed of sound? What happens when an object exceeds the speed of sound?

Characteristics of sound waves

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

The clever karate master

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

The brachistochrone problem

Find out whether the marble reaches the finish line faster on the straight or on the curved slope.


The animation shows the way forces act on wheeled vehicles and vehicles with runners.

Submarine operation

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

Physicists who changed the world

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

Added to your cart.