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Electron configuration of calcium

This animation shows the electron configuration of the calcium atom.

Ozone layer

The ozone layer filters the Sun´s harmful UV radiation, therefore it is indispensable for life on Earth.

Mars Exploration Program

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

Generators and electric motors

While generators convert mechanical energy into electrical energy, electric motors convert electrical energy into mechanical energy.

Watt´s steam engine (18th century)

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

Chain reaction

Energy released during nuclear fission can be used for civilian or military purposes.

Development of the atomic model

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

Covalent bonds in benzene molecules

In benzene there are sigma bonds and delocalised pi bonds between carbon atoms.

Lesser horseshoe bat

Bats use ultrasound to navigate and hunt for prey.

Electric bell

Mechanical bell that functions by means of an electromagnet.

Atomic bombs (1945)

The atomic bomb is one of the most destructive weapons in human history.

Dynamo (intermediate)

A dynamo converts mechanical energy into direct current.

The Sun

The diameter of the Sun is about 109 times that of the Earth. Most of its mass consists of hydrogen.

The Solar System; planetary orbits

The orbits of the 8 planets in our Solar System are elliptical.

The New Horizons mission

The New Horizons space probe was launched in 2006, with the objective to study Pluto and the Kuiper Belt.

Electric motors

Electric motors are present in many areas of our everyday lives. Let's learn about the different types.

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.

Types of waves

Waves play an extremely important role in many areas of our lives.

Gravitational waves (LIGO)

Massive accelerating or orbiting bodies cause ripples in spacetime. These are called gravitational waves.

Characteristics of sound waves

This animation explains the most important characteristics of waves through sound waves.

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