Voice production

When producing sound, the vocal cords are vibrated by the air flowing out of the lung.

Anatomy of the small intestine

The longest part of the digestive system, where most of the digestion and absorption...

How does it work? - Computer networks

The Internet allows us to send data quickly to large distances.

Atomic bombs (1945)

The atomic bomb is one of the most destructive weapons in human history.

Connective tissues

Connective tissues include loose and dense connective tissues, adipose tissue, blood,...

The human brain

The main parts of the human brain are the brain stem, the cerebellum, the diencephalon,...

The Berlin Wall (1961-1989)

A symbol of division and oppression, the Wall tore a city and numerous families apart.

Comparison of monocots and dicots

The two groups of angiosperms are monocots and dicots.

The city of Babylon (6th century B.C.)

The ancient city of Babylon was built on the banks of the Euphrates River in Mesopotamia.

Medieval town

Medieval townhouses were built from stone or brick and were several stories high.

The life-cycle of the Solar System

The formation of the Sun and the planets started with the contraction of a dust cloud...

Mushrooms

A mushroom is the fleshy fruiting body of a fungus, made up from hyphae.

The science of candles

Candles have been used for lighting since ancient times.

Titanic (1912)

RMS Titanic was the largest passenger ship at the beginning of the 20th century

Environmentally friendly vehicles

Combining a conventional internal combustion engine propulsion system with an electric...

Concorde (1969)

The first supersonic passenger airliner entered service in 1976.

Container ships

Commercial maritime routes of container ships form a global network.

The anatomy of leaves

This animation presents the main types of leaves and the differences between monocot and...

How does it work? - Computer tomography scanner

This animation demonstrates the structure and operation of CT scanners.

Operation of river locks

River locks make rivers with great level differences safe for boating.

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