Exceeding the speed of sound

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

Related extras

Beverage machine - Part 2

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

Kepler´s laws of planetary motion

The three important laws describing planetary motion were formulated by Johannes Kepler.

Frog violin

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

Boiling at room temperature

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

Straw flute

Observe what happens when making sounds with shorter and shorter pieces of the same straw.

Suction pumps and direct action pumps

Direct action pumps and suction pumps are among the simplest water pumps.

Resonance straw

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

Torsion balances

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

Added to your cart.