MÁV M61 diesel engine (1963)

The legendary M61 class locomotives of the Hungarian State Railways were manufactured by Nohab.

Kim loại

Các nguyên tử kim loại tạo thành một cấu trúc mạng cân đối.

Leaning Tower of Pisa (14th century)

The medieval bell tower of the Cathedral of Pisa is the most famous leaning tower of the world.

Phonograph and gramophone

Edison´s invention records and plays sound from a cylinder, while Berliner´s apparatus uses a disc.

Louis XIV (the Sun King)

The French monarch got his epithet because of his opulent and extravagant lifestyle.

Ottoman soldiers (16th century)

The Ottoman army included janissaries (paid warriors) and sipahis (vassal knights).

Soldiers of the American Civil War

The American Civil War was fought between the Confederacy and the Union.

Abbey of Saint Gall (11th century)

The building complex was one of the most important Benedictine abbeys for centuries.

Cinema (USA, 1930s)

Cinemas were built in large numbers in big cities of the US in the 1910s.

Ancient Greek pottery

The masterpieces of ancient Greek potters are important archaeological artefacts.

Oil platform

A long pipe in the centre of the tower penetrates the ocean bed until it reaches the layer that contains oil.

Daedalus and Icarus

An ancient Greek myth about the tragedy of father and son who wanted to flee the island of Crete.

Diversity of light-detecting organs

Several analogous types of eyes have developed independently through convergent evolution.

Quinquereme (3rd century BC)

The warship having several rows of oars was the typical warship of the Hellenistic era.

Types of dentition in mammals

The dentition of different species of mammals reflect their feeding habits.

Stegosaurus

A type of prehistoric reptile having bony plates on its back, which aided thermoregulation.

How does it work? - LCD screens

A liquid-crystal display utilises the light modulating properties of liquid crystals.

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