Exceeding the speed of sound
What is the speed of sound? What happens when an object exceeds the speed of sound?
We can further develop the machine we presented in the previous video, so it can dispense...
The three important laws describing planetary motion were formulated by Johannes Kepler.
Is a matchbox able to imitate the croak of frogs? With the following experiment we reveal the...
Water boils at 100 degrees Celsius. But is it possible to boil water at room temperature?
Observe what happens when making sounds with shorter and shorter pieces of the same straw.
Direct action pumps and suction pumps are among the simplest water pumps.
Find out how to move the straws without touching them, using the phenomenon of resonance.
A force can be measured by measuring the twisting of the torsion wire in a torsion balance.