Amylose ((C₆H₁₀O₅)n)

A helical molecule consisting of alpha-D-glucose units. It is one of the basic components of starch.

Alpha-D-glucose (C₆H₁₂O₆)

Alpha-D-glucose is one of the stereoisomers of glucoses, specifically the D-glucoses.

The First Hungarian automobile (1904)

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

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.

Kuruc soldier

The term ´kuruc´ denoted armed anti-Habsburg rebels (coming from various social classes) in Hungary in the 17th and 18th centuries.

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.

Football stadium

Football is one of the most popular team sports due to its relatively low equipment requirements and simple set of rules.

Handball stadium

Handball is one of the most popular team sports.

1-butanol (C₄H₁₀O)

A 4-carbon alcohol commonly used as a solvent.

Karst region (basic)

Karst formations include dolines and dripstones.

Basketball arena

Basketball is one of the most popular team sports.

Navigation in space

The animation helps to develop space perception and navigation in space using space coordinates.

Leonardo da Vinci’s inventions -– Siege engines

Leonardo was not only a master artist, but also an accomplished military engineer.

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.

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

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

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.

Typical Central European flat in the 1950s

Typical Central European flats in the 1950s consisted of a single room, a kitchen and a bathroom.

Leonardo da Vinci’s inventions – Armoured car

The design for the armoured car features the most important military requirements: reliability, portability and great firepower.

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