Экологиялық таза автомобильдер

Бензинді және электрлі жетектерді бірдей қолдану арқылы ауаға...

Қағаз жасау

Қағаз жасаудың құпиясы адамзатқа екі ғасырдан артық уақыттан бері...

Герон шары

Александриялық өнертапқышты бу машинасын ашқан адам ретінде...

Generators and electric motors

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

Types of bridges

Types of bridges include beam-, arch-, suspension-, cantilever and...

Alkaline batteries

In alkaline batteries electric current is generated by...

Measuring time

The first calendars and time-measuring instruments were already...

How does it work? - Mobile phone

This animation demonstrates how mobile phones work.

Wankel engine

A type of rotary engine of high efficiency

How does it work? - Digital camera

This animation demonstrates the structure and operation of digital...

DC motor

DC motors consist of a permanent magnet and a coil within the...

How does it work? - Optical disc drives

This animation demonstrates the structure and operation of...

Hard disk drive

Computer hard disk drives are devices of magnetic data storage.

How does it work? - Escalator

This animation demonstrates how an escalator works.

Inventions in the textile industry, 18th century

Inventions in the 18th century resulted in huge advances in the...

How does it work? - LCD screens

A liquid-crystal display utilises the light modulating properties...

How does it work? - Air conditioner

An air conditioner cools the air inside by drawing heat away and...

Stirling engine - hot-air engine

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

How does it work? - Differential gear

A differential allows the driven wheels of a car to rotate at...

How does it work? – Tower crane

Tower cranes are machines used for lifting loads weighing up to...

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