Mars Exploration Program

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

Watt´s steam engine (18th century)

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

Cloud formation, types of clouds

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

The life-cycle of the Solar System

The formation of the Sun and the planets started with the contraction of a dust cloud...

Galileo Galilei's workshop

Galileo Galilei's scientific achievements contributed greatly to the advancement of...

Generators and electric motors

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

Physicists who changed the world

These great scientists had a tremendous impact on the advancement in physics.

The New Horizons mission

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

Our astronomical neighbourhood

A demonstration of nearby planets, stars and galaxies.

Structure of nitrogen molecules

This animation demonstrates the structure of nitrogen molecules, with one sigma and two...

Elementary particles

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

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...

Characteristics of sound waves

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

Interesting astronomy facts

This animation presents some interesting facts in the field of astronomy.

Covalent bonds in benzene molecules

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


The Earth is a rocky planet with a solid crust and oxygen in its atmosphere.

The Sun

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

Solar eclipse

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

Atomic bombs (1945)

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

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