Four-stroke Otto engine

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

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Diesel engine

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

Wankel engine

A type of rotary engine of high efficiency

The Bohr model

Among the most significant research carried out in the early 20th century focused on the...

Two-stroke engine

A two-stroke engine is a type of internal combustion engine with a cycle of only two...

Radial engine

Radial engines are used primarily in aeroplanes and helicopters.

Stirling engine - hot-air engine

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

An experiment with crushing results

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

Archimedes’ principle with gases

Is there a difference between the weight of a plastic bottle filled with air and the weight of a...

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