How does it work? - CRT television

This animation demonstrates how a CRT television works.

How does it work? - Mobile phone

This animation demonstrates how mobile phones work.

Wankel engine

A type of rotary engine of high efficiency

Freshwater fishes

Many freshwater fishes are also popular as food.

Common European viper

A species of venomous snakes widespread in Europe. Its bite is rarely fatal to humans.

Mitsubishi A6M Zero (Japan, 1940)

The Japanese Mitsubishi A6M, commonly known as 'Zero' to the Allies, was a legendary aircraft of the Second World War.

European badger

The European badger is an omnivorous, nocturnal animal. Badger colonies live in large burrow systems, called setts.

Torii (gateway) of the Itsukushima Shrine

The torii is a traditional Japanese gate built at the entrance of shrines.

Stirling engine - hot-air engine

Stirling engines are also known as external combustion engines. Unlike internal combustion engines (e.g. Otto-engine), here combustion takes place outside...

Apoxyomenos

The characteristic ancient Greek statue was found on the bottom of the Adriatic Sea.

Ivan Meštrović: History of the Croats

One of the Croatian sculptor's most famous works depicts a woman wearing a traditional costume.

3D Tangram

A special, 3D version of the well-known Chinese logical game.

Passive house

In a passive house a comfortable inner temperature can be ensured without the use of traditional heating and cooling systems.

How does it work? - Differential gear

A differential allows the driven wheels of a car to rotate at different speeds when the car is turning.

The Cave of Altamira

The world-famous limestone cave with its amazing cave paintings is one of the most important archaeological sites of Palaeolithic art.

Heart attack

The cause of a heart attack is the blockage of a coronary artery. It is one the most common causes of death.

How does it work? – Tower crane

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

Traditional Arab sailboat (Sambuk)

The largest type of Arab sailboat, most commonly used as trading vessels in the Persian Gulf.

How does it work? – Cinema projector

This animation demonstrates the design and operation of a traditional cinema projector.

Tardigrade

Tardigrades can survive in extreme environments, they can even stay alive in outer space.

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