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How does it work? – Cinema projector

This animation demonstrates the design and operation of a...

How does it work? - Record player

This animation demonstrates the mechanism and operation of record...

Transformer

A transformer is a device used for converting the voltage of...

Radial engine

Radial engines are used primarily in aeroplanes and helicopters.

How does it work? - Plasma display television

This animation explains how a plasma display television works.

How does it work? - CRT television

This animation demonstrates how a CRT television works.

Mesopotamian inventions (3rd millennium BC)

These tools, revolutionary even in their simplicity, are still in...

Two-stroke engine

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

Telescopes

This animation shows optical and radiotelescopes used in...

Observatory

Observatories are often built at high elevations to minimise the...

Water turbine, generator

Water turbines convert the kinetic energy of water into electric...

The evolution of data storage

The capacity of data storage devices have increased at an...

Optical instruments

A wide variety of optical instruments are in use today, ranging...

Desktop computer

This animation demonstrates the structure and most important...

Fuel cell

A fuel cell provides environment-friendly electric energy produced...

How does it work? - Ballpoint pen

The invention of the ballpoint pen made writing a lot easier.

How does it work - Refrigerator

This animation demonstrates how a refrigerator works.

Types of gears

Two meshing gears transmit torque during their rotational motion.

Development of television sets.

Television, invented in the early 20th century, became one of the...

Medieval Arab water pump (Al-Jazari, 13th century)

The ingenius water pump designed by Al-Jazari is a great example...

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