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.

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.

Junk

A sailing vessel with characteristic lugsails used for both military and trade purposes.

Biogas power plant

Biogas can be produced from organic material (manure, plant waste, organic waste) using bacteria. Biogas is a mixture of methane and carbon dioxide; burning...

European pond turtle

The animation shows the anatomy of turtles.

Spider silk, spider web

While the density of spider silk is less than that of nylon filaments, its tensile strength is greater than that of steel.

Freshwater fishes

Many freshwater fishes are also popular as food.

The reflection and refraction of light

A ray of light is reflected or refracted at the boundary of two mediums with different refractive indices.

Roman gladiators (2nd century)

Gladiators were combatants who entertained audiences in fights against each other or wild animals in ancient Roman arenas.

Common European viper

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

USS Missouri (US, 1944)

The battleship USS Missouri, first deployed during WWII was also deployed in the Gulf War.

Cities of the world

This animation demonstrates the geographical locations of the Earth's major cities.

Metro

The fastest track-based means of urban transport.

Hypothalamic-pituitary axis

The Hypothalamic-pituitary axis is the regulating centre of our endocrine system.

p-V-T diagram for ideal gases

The relationship between the pressure, volume and temperature of ideal gases is described by the gas laws.

Ames room

An Ames room is a distorted room that is used to create an optical illusion.

Inventions in the textile industry, 18th century

Inventions in the 18th century resulted in huge advances in the development of the textile industry.

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