Daguerreotype

The first commercially successful technique of photography was invented by the French Louis Daguerre.

Phase transitions

A phase transition is the change of a substance from one state of matter to another.

Comparison of monocots and dicots

The two groups of angiosperms are monocots and dicots.

Geographical discoveries (15th-17th century)

Legendary geographical discoveries at the beginning of the Modern Age had not only redrawn maps, but also had a truly diverse impact.

Mining at the time of the Industrial Revolution

At the end of the 18th century, mining boomed because of the great need for raw materials in the dynamically developing industry.

Structure of nitrogen molecules

This animation demonstrates the structure of nitrogen molecules, with one sigma and two pi bonds holding the atoms together.

How does it work? - Gearbox

In transmission systems, the engine torque is modified by reducing or increasing rotational speed.

Container ships

Commercial maritime routes of container ships form a global network.

The life cycle of vertebrates

The life cycle of vertebrates starts with the production of the reproductive cells of an individual and ends with the production of the reproductive cells...

The Black Death (Europe, 1347–1353)

The bacterial disease known as the bubonic plague is one of the deadliest infectious diseases in the history of mankind.

Nikola Tesla's laboratory (Shoreham, USA)

This physicist-inventor and electrical engineer who mainly dealt with electrotechnics was undoubtedly one of the most brilliant figures of the second...

The Suez Canal

The Suez Canal is an artificial waterway connecting the Red Sea and the Mediterranean Sea.

Wright Flyer I (1903)

The Wright Flyer was the first successful powered, heavier-than-air aircraft, designed and built by the Wright brothers.

The New Horizons mission

The New Horizons space probe was launched in 2006, with the objective to study Pluto and the Kuiper Belt.

Theatre of Pompey (Rome, 1st c. BC)

The building commissioned by Pompey the Great was the first permanent theatre in Ancient Rome.

Nuclear power plant

Nuclear power plants convert the energy released during nuclear fission into electric power.

Teotihuacan (4th century)

Majestic even in its ruins, this city was the largest and most populous settlement in the pre-Columbian Americas.

Interesting astronomy facts

This animation presents some interesting facts in the field of astronomy.

The development of lakes

Standing bodies of water can form in depressions on the surface by both endogenic and exogenic forces, as well as by human activity.

Code of Hammurabi

The Code of Hammurabi is the emblem of the Mesopotamian civilisation; it contains 282 laws carved into a basalt stele.

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