Seas and bays

This animation demonstrates the most important seas and bays.

Hovercraft, SR.N4 Mk.III

Hovercraft are capable of travelling at high speed above the surface of water.

The development of freight transport

This animation demonstrates the development of freight transport, from horse-drawn carts to modern lorries.

American Marine (beginning of the 21st century)

The US Marine Corps is an important branch of the US Armed Forces, with about 200 thousand, specially trained members.

Romanesque style Benedictine church (Ják, Hungary)

A Romanesque style Benedictine church with a special gateway, built in the 13th century in Hungary.

How do fish breathe?

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

Moon radar experiment (Zoltán Bay, 1946)

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

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.

Mongol warrior (13th century)

The dreaded warriors of the Mongol Empire helped to make it one of the largest empires in history.

Junkers JU-52 (1932)

The most popular European-made transport aircraft before World War II.

Lake steamer (1846)

The first paddle steamer in Hungary entered service in 1846.

Leonardo da Vinci’s inventions – Swing bridge (1487–1489)

Leonardo's creative legacy also includes several projects related to bridges. This unusual swing bridge allowed for undisturbed water traffic.

Sulphuric acid (H₂SO₄)

A colourless, viscous liquid, a highly corrosive, strong acid used in several industrial processes.

Permanganate ion (MnO₄⁻)

Potassium permanganate is used as a disinfectant.

Bin lorries

Bin lorries play an important role in the life of towns and cities.

Leonardo da Vinci’s inventions - Mechanical wing (1493–1495)

The mechanical wing is one of the masterpieces among Leonardo's sketches related to aviation.

Silver iodide (AgI)

A light yellow compound formed in the reaction of silver nitrate and potassium iodide.

Leonardo da Vinci’s inventions – Aerial screw (around 1489)

The polymath thought that if a screw-like structure can rotate fast enough, it will 'drill' into the air and fly.

Sodium chloride (NaCl)

Common salt (or table salt) is one of the most important sodium compounds, indispensable for living organisms.

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