Carbonate ion (CO₃²⁻)

A compound ion produced from carbonic acid by releasing protons.

The Hungarian Crown Jewels

The best-known piece of the Hungarian Crown Jewels is the Holy Crown.

Ambulance car

This animation demonstrates the most important equipment of ambulance cars.

Satellite navigation, GPS

The Global Positioning System consists of 24 satellites but only 4 have to be visible for positioning.

MAV V40 (Kando locomotive, 1932)

The first Hungarian-made locomotive powered directly from the national electricity network without complicated transformations.

Common kingfisher

The characteristic colours of the common kingfisher aid the bird in catching its prey.

Persian warrior (5th century BC)

The excellent archers were feared members of the Persian army

Marsh harrier

Marsh harriers are birds of prey found almost worldwide.

Suction pumps and direct action pumps

Direct action pumps and suction pumps are among the simplest water pumps.

Moon radar experiment (Zoltán Bay, 1946)

In 1946 a Hungarian scientist was the first person to detect radar echoes from the Moon.

Local winds

The most important types of local winds are the sea-land breeze, the mountain-valley breeze as well as the downslope winds.

Art Nouveau architecture

One of the most beautiful Art Nouveau buildings in Hungary.

Emergency landing in the Sahara (Little Prince)

The emergency landing of the pilot appears in the frame story of Antoine de Saint-Exupéry´s most famous novel, The Little Prince.

How do fish breathe?

Blood vessels in fishes' gills absorb oxygen and release carbon dioxide.

World religions today

The geographical distribution of major (world) religions has been influenced by historical events.

Refugee camp in Africa (Darfur)

Because of the military conflict in Sudan, millions of people had to flee their homes.

Greek and Macedonian phalanx formation

The phalanx formation was a military formation of the Greek heavy infantry.

Ancient Roman infantry tactics

Members of the ancient Roman Legions were the masters of military tactics.

Messerschmitt Bf 109 G (Germany, 1941)

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

Slavic warriors

Slavic warriors were greatly respected throughout Europe in the Middle Ages.

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