Four-stroke Otto engine

This animation demonstrates the type of engine most commonly used in cars.

The Moon

The Moon is the Earth's only natural satellite

Evaporation and boiling

What happens in a liquid during evaporation and boiling? What does its boiling point depend on?

The physics of bicycles

Some principles of physics can be demonstrated through the functioning of bicycles.

Mars Exploration Program

Space probes and Mars rovers examine the structure of Mars and possible traces of life.

Electron configuration of calcium

This animation shows the electron configuration of the calcium atom.

Phase transitions

A phase transition is the change of a substance from one state of matter to another.

Structure of nitrogen molecules

This animation demonstrates the structure of nitrogen molecules, with one sigma and two pi bonds holding the atoms together.

Newton’s Laws of Motion

This animation demonstrates Sir Isaac Newton's three laws of motion that laid the foundation for classical mechanics.

Solar eclipse

When the Sun, Earth, and the Moon are arranged in a straight line, the Moon can partially or completely obscure the Sun.

Our astronomical neighbourhood

A demonstration of nearby planets, stars and galaxies.


This animation explains transparency and opacity, the principle of radiography, and the light-absorbing properties of materials.

The development of celestial mechanics

This animation introduces the studies of astronomers and physicists whose works fundamentally changed our view of the universe.

Maglev Trains

One of the most modern means of transport is the Maglev, capable of travelling at speeds of over 400 km/h.

Watt´s steam engine (18th century)

The steam engine, perfected by the Scottish engineer James Watt, revolutionised technology.

Development of the atomic model

Major phases in the history of theories and views about the structure of the atom.

Kepler´s laws of planetary motion

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

Cloud formation, types of clouds

Evaporating surface water forms clouds of various shapes from which water falls back to the surface as precipitation.

Elementary particles

Matter is made up by quarks and leptons, while interactions are carried by bosons.

The life-cycle of the Solar System

The formation of the Sun and the planets started with the contraction of a dust cloud about 4.5 billion years ago.

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