Surface area of spheres (demonstration)

The surface of a sphere consists of the set of points which are all at the same distance from a given point in space.

Bombardier CRJ200 (1991)

The small passenger aircraft is designed for speed, convenience and economical operation.

Peptide bond

Amino acids that make up proteins are bound by peptide bonds.

British soldier (World War I)

During World War I, Britain was part of the military alliance called the ´Triple Entente´.

Rietveld Schröder House (Utrecht, 1924)

The Rietveld Schröder House, located in the town of Utrecht in the Netherlands, can be considered a forerunner of modern houses.

The development of television sets

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

German soldier (World War I)

German sordiers in the First World War were well trained and used modern weapons.

Boeing 747 (1969)

The Jumbo Jet is one of the best known airliners.

Burj Al Arab (Dubai, 1999)

Burj Al Arab, the world's only seven-star luxury hotel is located in the United Arab Emirates.

Volume of spheres (Cavalieri´s principle)

Calculating the volume of a sphere is possible using an appropriate cylinder and cone.

Graphite

One of the crystalline allotropes of elemental carbon.

Diamond

Crystalline allotrope of elemental carbon, the hardest known natural substance.

Persian warrior (5th century BC)

The excellent archers were feared members of the Persian army

Chilean recluse spider

The poisonous bite of the Chilean recluse spider poses a serious threat to human health.

Villages

Villages were the first permanent human settlements

Western jackdaw

Groups of western jackdaws are frequently found in cities. Konrad Lorenz analysed the complex social behaviour of these animals.

Shadows

Change of light conditions in different seasons. Measuring height using shadows.

Ichthyostega

A prehistoric amphibian and an early representative of the Tetrapods, which became extinct 360 million years ago.

Human evolution

The brain and skull underwent significant changes during human evolution.

Knights’ hall

One of the most important parts of a medieval castle was the Knights´ hall.

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