Four-stroke Otto engine

This animation demonstrates the type of engine most commonly used in cars.

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Hydrogen balloon explosion

In this experiment, we study the properties of hydrogen gas.

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Perpetual motion machine

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An experiment with crushing results

How can a tin can be crushed without manual force? All you need is some water and heat.

Stirling engine - hot-air engine

Stirling engines are also known as external combustion engines. Unlike internal...

Wankel engine

A type of rotary engine of high efficiency

Diesel engine

The German engineer Rudolf Diesel patented the diesel engine in 1893.

Radial engine

Radial engines are used primarily in aeroplanes and helicopters.

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