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Silicon dioxide (SiO₂)

A polymorphic compound, mostly found in the form of quartz.

Amylose ((C₆H₁₀O₅)n)

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

Fibroin

Fibroin is a fibrillar protein excreted by silkworms.

Aspartic acid

One of the twenty protein-building amino acids.

Hypochlorite ion (OCl⁻)

Hypochlorite ions are formed when water is disinfected with chlorine.

Phenylalanine

One of the 20 amino acids that make up proteins.

Silver chloride (AgCl)

A white, crystalline compound that breaks down when affected by light.

Arginine

One of the twenty protein-building amino acids.

Leucine

One of the 20 amino acids that make up proteins.

Meteorological instruments (basic)

This animation demonstrates instruments used to examine atmospheric phenomena.

Yurt

A circular, domed, portable tent covered by felt, typically used by nomadic peoples.

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.

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 – 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 - Flying machine (1488–1489)

The aim of this extraordinarily complex study was to mimic the different phases of the flight of birds.

Ichthyosaur

Fish-like marine dinosaurs which resembled dolphins; a good example of convergent evolution.

Leonardo da Vinci’s inventions -– Siege engines

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

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