Hydrogen peroxide (H₂O₂)

The compound of hydrogen and oxygen. Colourless, odourless liquid; heavier than water.

Szilassi polyhedron

This special concave polyhedron was named after a Hungarian mathematician.

2-deoxy-beta-D-ribose (C₅H₁₀O₄)

A component of DNA, it contains one less hydroxyl group than β-D-ribose.

Császár polyhedron

The Császár polyhedron is a nonconvex polyhedron with 14 triangular faces.

Hydrogen bromide (HBr)

One of the hydrogen halides, it is used for the production of alkyl bromides.

The Boys of Paul Street, the Grund

One of the main settings in the well-known Hungarian youth novel was a timberyard.

The First Hungarian automobile (1904)

Hungarian engineer János Csonka built his first automobiles for the Hungarian Postal Service.

Nitrogen-dioxide (NO₂)

A reddish-brown toxic gas, very reactive due to its unpaired electron.

Cis-2-butene (C₄H₈)

A colourless, heavier-than-air gas. Its geometric isomer is trans-2-butene.

Pent-1-ene (C₅H₁₀)

A liquid with a characteristic unpleasant odour and a low boiling point.

Bratislava (18th century, Kingdom of Hungary)

Bratislava (Pozsony) was the capital of the Kingdom of Hungary in the 18th century

38 M Toldi light tank

This light tank was used by the Royal Hungarian Army in World War II.

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