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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

Mars Exploration Program

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

Our astronomical neighborhood

A demonstration of nearby planets, stars and galaxies.

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.

Transparency

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 transportation is the Maglev, capable of traveling at speeds of over 400 km/h (248.6 mph).

Structure of nitrogen molecules

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

Phase transitions

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

Electron configuration of calcium

This animation shows the electron configuration of the calcium atom.

The Rutherford experiment

The Rutherford Experiment proved the existence of positively charged atomic nuclei. The results led to the elaboration of a new atomic model.

Watt´s steam engine (18th century)

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

Generators and electric motors

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

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 delocalized pi bonds between carbon atoms.

Lesser horseshoe bat

Bats use ultrasound to navigate and hunt for prey.

Kepler´s laws of planetary motion

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

Electric bell

Mechanical bell that functions by means of an electromagnet.

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