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

Electric motors

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

Watt´s steam engine (18th century)

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

Solar eclipse

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

The life-cycle of the Solar System

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

The development of celestial mechanics

This animation introduces the studies of astronomers and physicists whose works...

Maglev Trains

One of the most modern means of transport is the Maglev, capable of travelling at speeds...

Structure of nitrogen molecules

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

Phase transitions

A phase transition is the change 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...

Mars Exploration Program

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

Chain reaction

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

Newton’s Laws of Motion

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

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.

The science of candles

Candles have been used for lighting since ancient times.

Electric bell

Mechanical bell that functions by means of an electromagnet.

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