Neptune

Neptune is the outermost planet of the Solar System, the smallest of the giant planets

RT-2PM Topol Intercontinental ballistic missile (Soviet Union, 1985)

A mobile, nuclear-capable ballistic missile developed at the end of the Cold War.

Supermarine Spitfire (United Kingdom, 1938)

Spitfire was a legendary British single-seat military aircraft used in World War II.

Neurons, nervous tissue

Neurons are cells specialized for transmitting electric signals.

The urinary system

The urinary system serves for the removal of harmful and useless materials from the body.

Bones of the lower limbs

Bones of the lower limbs are connected to the trunk by the pelvis.

Operation of oil wells

Machinery that pumps crude oil to the surface

Thermal power station (hydrocarbon fuel)

Thermal power stations convert energy released during the combustion of fossil fuels or renewable resources into electricity.

Otto Lilienthal’s glider

The German engineer Otto Lilienthal was the first person to make successful flights with a glider designed by himself.

Gothic cathedral (Clermont-Ferrand, 15th century)

The cathedral named after the Assumption of Mary into Heaven is one of the gems of French Gothic architecture.

Polymerization of ethene

Polymerized ethylene is known as polyethylene, a type of plastic.

Melting and freezing

During freezing hydrogen bonds are formed between water molecules resulting in a crystal structure.

Dissolution of NaCl

Common salt is dissolved by water: polar water molecules form a coat around the ions.

Panthéon (Paris, 18th century)

The most important Neoclassicist building in France, completed in 1791, became the final resting place of many of France´s greats.

Teatro Olimpico (Vicenza, 16th century)

The first indoor theater in modern history to be constructed according to the theater-building codes of Antiquity was inaugurated in 1585.

Thermal expansion of bridges

The length of the metal frameworks of bridges change when the temperature changes.

Geothermal power station

Geothermal power stations convert energy of hot, high-pressure water found in deeper layers of the Earth into electricity.

Submarine operation

Submarines submerge and surface by changing the average density of the hull.

Aerodynamic lift

High speed generates a lift on airplane wings due to their asymmetrical profile.

Swallowsville

An entertaining animation to practice orientation using a map.

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