This animation demonstrates the type of engine most commonly used in cars.
The Voyager space probes were the first man-made objects to leave the Solar System. They gather data about outer space and carry information about humanity.
The Moon is the Earth's only natural satellite
What happens in a liquid during evaporation and boiling? What does its boiling point depend on?
Some principles of physics can be demonstrated through the functioning of bicycles.
The orbits of the 8 planets in our Solar System are elliptical.
This animation introduces the studies of astronomers and physicists whose works fundamentally changed our view of the universe.
Space probes and Mars rovers examine the structure of Mars and possible traces of life.
The steam engine, perfected by the Scottish engineer James Watt, revolutionised technology.
Energy released during nuclear fission can be used for civilian or military purposes.
Major phases in the history of theories and views about the structure of the atom.
In benzene there are sigma bonds and delocalised pi bonds between carbon atoms.
Bats use ultrasound to navigate and hunt for prey.
The Earth is composed of several spherical layers.
Nuclear power plants convert the energy released during nuclear fission into electric power.
A dynamo converts mechanical energy into direct current.
Evaporating surface water forms clouds of various shapes from which water falls back to the surface as precipitation.
The formation of the Sun and the planets started with the contraction of a dust cloud about 4.5 billion years ago.
Matter is made up by quarks and leptons, while interactions are carried by bosons.
The three important laws describing planetary motion were formulated by Johannes Kepler.