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How can this pendulum accurately measure time in seconds?
The three important laws describing planetary motion were formulated by Johannes Kepler.
A spacecraft on its path is in a constant state of free fall.
Is a matchbox able to imitate the croak of frogs? With the following experiment we reveal the...
The length of the metal frameworks of bridges change when the temperature changes.
Direct action pumps and suction pumps are among the simplest water pumps.
What should we look out for in wine cellars? In this experiment we produce carbon dioxide with...
This animation demonstrates Sir Isaac Newton's three laws of motion that laid the...