Fuel cell

A fuel cell provides environment-friendly electric energy produced by the chemical reaction between oxygen and hydrogen.

Shale gas

This animation explains the technology of shale gas extraction.

Generating alternating current

Electric current can be generated by rotating an armature loop in a magnetic field.

Tutankhamun’s tomb (14th century BC)

One of the greatest archaeological finds of the 20th century was the tomb of the Egyptian pharaoh.

Medieval keep

Keeps were typical buildings in the Middle Ages, also built independently from castles.

Enzymes

Enzymes are protein molecules catalysing biochemical reactions. Their activity can be regulated.

Face-centred cubic metal lattice

The face-centred cubic metal lattice allows the closest fit of metal atoms.

Auschwitz-Birkenau concentration camp

More than one million people died in the WWII Nazi death camp located in present-day Poland.

Battle of Salamis (480 BC)

The Greek fleet owed their success to their good tactics and their fast and easily manoeuvrable ships.

Battleship (HMS Dreadnought, 1906)

HMS Dreadnought revolutionised battleship-building in the 20th century.

The history of aviation

The animation offers a summary of the history of aviation from the Middle Ages.

USS Ohio (US, 1979)

Nuclear propulsion was first used by the US Navy for powering submarines in the mid-20th century.

How does it work? – Escalator

This animation demonstrates how an escalator works.

Ancient agriculture in the Nile Valley

Ancient Egypt was called the ‘gift of the Nile’, since the river played an important role in the rise of Egyptian civilisation.

Cortical organisation of speech

Producing speech requires the synchronised operation of several cortical centres.

Hexagonal metallic lattice

Metals forming hexagonal metallic lattices are rigid and difficult to machine.

Conformations of ethane

The staggered conformation of ethane is more stable than the eclipsed conformation.

Nitrous acid (HNO₂)

One of the oxoacids of nitrogen. Colourless, moderate acid with a pungent odour, that exists only in aqueous solution.

Wind power station

Wind power stations convert the kinetic energy of the wind into electricity.

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