Medieval farmhouse

Farmhouses in the Middle Ages were simple, single-story structures built from earth, mud and wood.

Tanning, skin cancer

The topmost layer of our skin is the epidermis, which contains melanocytes.

Electricity supply network

The purpose of the electricity supply network is to provide electricity for consumers.

Space Shuttle

The Space Shuttle was a manned, reusable spacecraft operated by NASA.

Solar power station

Solar power stations convert solar energy into electricity.

Trilobites

The ancestors of Arachnida and Crustacea belonged to the class Trilobita.

Battleship (HMS Dreadnought, 1906)

HMS Dreadnought revolutionized battleship-building in the 20th century.

Guillotine

The device designed to carry out executions more humanely than before was named after a French doctor.

Jamestown (17th century)

Jamestown, founded in 1607, was the first permanent English settlement on the east coast of North America.

Medieval smithy

The work of smiths – one of the first professions in history – became even more important in the Middle Ages.

Venice in the Middle Ages

Medieval Venice owed its wealth to its flourishing maritime trade.

How does it work? - Air conditioner

An air conditioner cools the air inside by drawing heat away and releasing it outside.

Farming techniques

Farming techniques evolved with the development of human civilization in the Middle Ages and the Modern Age.

Limbic system

The limbic system plays an important role in forming emotions and in learning.

Cannon operation (18th century)

The cannon was an important type of firearms at the beginning of modern history, widespread both on land and water.

RNA

A polynucleotid made up of phosphoric acid, ribose, and nucleobases (cytosine, uracil, adenine and guanine).

Medieval dungeon

A wide variety of torture devices were in use in medieval dungeons.

Working-class district (19th century)

Typical working-class districts with unhealthy living conditions were built at the time of the Industrial Revolution.

USS Ohio (US, 1979)

Nuclear propulsion was first used by the U.S. Navy for powering submarines in the mid-20th century.

Fullerene (C₆₀)

A crystalline allotrope of carbon which was discovered at the end of the 1980s.

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