Egyptian Pharaoh and his wife (2nd millennium B.C.)

Egyptian Pharaohs were respected as gods, they were lords of life and death.

Chain Bridge (Budapest)

The Széchényi Chain Bridge, named after István Széchenyi, was the first permanent bridge across the Danube between Pest and Buda.

Ottoman architecture in Hungary (17th century)

Remnants of Ottoman architecture in Hungary include the Gazi Kasim Pasha Mosque in Pécs and the Minaret of Eger.

Four color theorem

Color a map with the fewest number of colors possible, so that no two adjacent regions have the same color.

Diamond

Crystalline allotrope of elemental carbon, the hardest known natural substance.

Solids of revolution (rectangle)

Rotating a rectangle around its axes of symmetry or around its sides results in solids of revolution.

Arch of Titus (Rome, 1st century)

The Arch of Triumph was built at the entrance of the Forum Romanum, to commemorate Emperor Titus’ victory in the Siege of Jerusalem.

Tall buildings

Tall buildings are mementoes of human history and technological development.

Ara Pacis Augustae (Rome, 1st century B.C.)

The Altar of Peace, commissioned during the reign of Augustus, was one of the most important works of ancient Roman art.

Bombardier CRJ200 (1991)

The small passenger aircraft is designed for speed, convenience and economical operation.

How does it work? - Combine harvester

Combine harvesters are machines that harvest and thresh grain crops.

How does it work? - Impulse steam turbine

This animation demonstrates the structure and operation of impulse turbines.

Nitrogen (N₂) (intermediate)

A colorless, odorless, non-reactive gas, it constitutes 78.1% of Earth´s atmosphere.

Messerschmitt Bf 109 G (Germany, 1941)

A legendary fighter plane used by the German air force in World War II.

Tanks (World War I)

Tanks developed in the mid-1910s quickly became the most important weapons of land-based military operations.

Domestic dog

Dogs are the domesticated subspecies of gray wolves.

Tiktaalik

A transitional form between fish and tetrapods, or four-limbed vertebrates.

Light and shadow

By varying the position of the light source, you can examine the shades projected onto the planes of the coordinate system.

The Battle of Gaugamela (331 BC)

The battle, that is considered to be a tactical masterpiece, meant a decisive victory for Alexander the Great against Persia.

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