Hot air balloon

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

Related extras

The brachistochrone problem

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

Boiling at room temperature

Water boils at 100 degrees Celsius. But is it possible to boil water at room temperature?

Beverage machine - Part 2

We can further develop the machine we presented in the previous video, so it can dispense...

Putting a candle out with carbon dioxide

What should we look out for in wine cellars? In this experiment we produce carbon dioxide with...

Characteristics of sound waves

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

Sir Isaac Newton

Newton, one of the greatest physicists, has laid down the basics of mechanics. In this video we...

Frog violin

Is a matchbox able to imitate the croak of frogs? With the following experiment we reveal the...

Resonance straw

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

Added to your cart.