Development of the atomic model

Major phases in the history of theories and views about the structure of the atom.

Patent-Motorwagen (Karl Benz, 1886)

The Benz Patent-Motorwagen is widely regarded as the first vehicle propelled by an internal combustion engine.

Transparency

This animation explains transparency and opacity, the principle of radiography, and the light-absorbing properties of materials.

How does it work? - Turbojet

This animation demonstrates how a turbojet engine works.

The anatomy of leaves

This animation presents the main types of leaves and the differences between monocot and dicot leaves.

Bones of the upper limbs

Bones of the upper limbs form the pectoral girdle and the arms.

Trojan horse

According to Homer’s epic, Odysseus’ Stratagem caused the loss of Troy.

How does it work? - Computer tomography scanner

This animation demonstrates the structure and operation of CT scanners.

Melk Abbey (Austria)

The 900 years old Benedictine abbey is situated in Melk, on the right bank of the Danube.

Transport processes

This animation explains active and passive transport processes occurring through cell membranes

Amino acids

Amino acids are the monomers of proteins.

Types of ancient Greek columns

The Doric, Ionic and Corinthian order of columns are different in size and ornamentation as well.

Hot-air balloon (18th century)

The French Montgolfier brothers were the first pioneers of flying.

The development of celestial mechanics

This animation introduces the studies of astronomers and physicists whose works fundamentally changed our view of the universe.

Saint Alexander Nevsky Cathedral (Sofia, 20th century)

Built in Neo-Byzantine style, this Orthodox cathedral is one of the symbols of the Bulgarian capital city.

Layers of the ocean

Physical properties, as well as the flora and fauna of the ocean change with depth.

Darwin's legendary voyage

Darwin's legendary voyage aboard HMS Beagle played a crucial role in the development of the Theory of Evolution.

TGV POS train

The train operates between Paris and southern Germany, its cruise speed is 320 km/h.

Baths of Caracalla (Rome, 3rd century)

The magnificent bath complex of the Roman Emperor was built in the 3rd century AD.

Stephenson’s Rocket (1829)

The English engineer George Stephenson’s locomotive was built for a competition of locomotives in 1829.

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