Permanganate ion (MnO₄⁻)

Potassium permanganate is used as a disinfectant.

Volume of spheres (demonstration)

The sum of the volume of the ´tetrahedrons´ gives an approximation of the volume of the sphere.

Silver iodide (AgI)

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

Sodium chloride (NaCl)

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

Silver bromide (AgBr)

A white, crystalline compound which breaks down when exposed to light.

Textile factory (19th century)

Owing to the inventions in the 18th century, textile industry became one of the most important industries.

Folding (basic)

Lateral compressive forces cause rocks to form folds. This is how fold mountains are formed.

Siege of Belgrade (4-22 July 1456)

A major battle in the history of Ottoman-Hungarian wars in the 15th century. Its memory is preserved by the noon bells that are still rung every day in...

Early Christian Necropolis, Cella trichora (Pécs, Hungary)

The Early Christian Necropolis in Pécs, Hungary is an outstanding historical site.

Napoleon´s soldier (19th century)

Napoleon Bonaparte´s Grande Armée was considered invincible.

John the Valiant, the hussars´ route

Follow John the Valiant on his quest described in Sándor Petőfi´s poem.

Oktogon, Budapest (Early 20th century)

A landmark crossroads in the Hungarian capital city at the turn of the century.

Haiduk (Hungarian soldiers of the 16th century)

István Bocskay created a successful army from former armed cattle herders in the 16th century.

Wheel of fire

The defenders of Eger Castle invented a lethal weapon, a water wheel packed with gunpowder and oil, which proved effective against the Ottoman besiegers in...

Benedictine abbey (Tihany, Hungary)

The Benedictine abbey was founded by King Andrew I in 1055.

Hungarian police patrol car

This animation demonstrates the equipment of a police patrol car.

Folding (intermediate)

Lateral compressive forces cause rocks to form folds. This is how fold mountains are formed.

Catholic burial chapel (Feldebrő, Hungary)

One of the most important historical buildings in Hungary, a parish church built in the 11th century.

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