V-1 flying bomb

The V-1 flying bomb was an early pulse-jet-powered cruise missile developed in Nazi Germany and deployed in WWII.

Northern white-breasted hedgehog

The Northern white-breasted hedgehog rolls into a ball to protect itself.

Polynesian catamaran

Polynesians traveled huge distances with their specially designed boats.

Types of feathers

The animation demonstrates the most important types of feathers and their fine structure.

How do geckos' feet adhere to smooth surfaces?

Geckos can walk on walls or even ceilings. The 3D scene explains this ability.

How does it work? – Cinema projector

This animation demonstrates the design and operation of a traditional cinema projector.

Japanese soldier (World War II)

Highly committed Japanese soldiers fought primarily at the Asian and Pacific theaters of the Second World War.

Long-tailed mayfly

Larvae of this type of mayflies spend the first three years of their lives in water, their adult lives last for only one day which they use for mating.

Transformer

A transformer is a device used for converting the voltage of electric current.

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...

Junk

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

Tardigrade

Tardigrades can survive in extreme environments, they can even stay alive in outer space.

Underground coal mining

As opposed to opencast mines, in underground mines the layers covering coal are not removed, coal is extracted from mine shafts.

Archaeopteryx

The archaeopteryx shows characteristics of both birds and reptiles. It is probably the ancestor of birds.

The Macedonian Empire

The legendary ruler and military leader, Alexander the Great, established a vast empire.

Deep vein thrombosis and pulmonary embolism

A blood clot that forms in the deep veins of the lower limbs can cause a fatal pulmonary embolism if they enter the lungs.

String quartet

A string quartet consists of four string players, it appeared in the late 18th century.

The countries of Africa

Learning about the geographic location, capitals and flags of African countries through exercises in three levels of difficulty.

The countries of Asia

Learning about the geographic location, capitals and flags of Asian countries through exercises with three levels of difficulty.

The countries of Europe

Learning about the geographic location, capitals and flags of European countries through exercises in three levels of difficulty.

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