Polymerisation of ethene

Polymerised ethylene is known as polyethylene, a type of plastic.

V-1 flying bomb

The V-1 flying bomb was an early pulse-jet-powered cruise missile developed in Nazi Germany and deployed in WWII.

Mitsubishi A6M Zero (Japan, 1940)

The Japanese Mitsubishi A6M, commonly known as 'Zero' to the Allies, was a legendary aircraft of the Second World War.

Red deer

Red deer are even-toed ungulates, ruminants. Their males have spectacular antlers.

Dissolution of NaCl

Common salt is dissolved by water: polar water molecules form a coat around the ions.

Cube

This animation demonstrates the components (vertices, edges, diagonals and faces) of the cube, one of the Platonic solids.

Reaction of hydrogen with oxygen

Knallgas is the mixture of hydrogen and oxygen. It will explode when ignited.

DC motor

DC motors consist of a permanent magnet and a coil within the magnet, with electric current flowing in it.

Dissolution of hydrogen chloride (HCl) in water

The solution of hydrogen chloride in water is called hydrochloric acid.

Cylindrical solids

This animation demonstrates various types of cylindrical solids as well as their lateral surfaces.

Reaction of zinc with hydrochloric acid

The dissolution of zinc in hydrochloric acid produces hydrogen gas.

Reaction of ammonia with hydrogen chloride

Ammonium chloride is the result of the reaction of ammonia and hydrogen chloride

Producing ammonia from nitrogen gas and hydrogen gas

Large-scale ammonia production requires high temperature and pressure and the presence of iron as a catalyst.

Thyroid gland

An important endocrine gland producing hormones that affect metabolism and the calcium balance of the body.

Sphere

A sphere is the set of points which are all within the same distance from a given point in space.

Submarine operation

Submarines submerge and surface by changing the average density of the hull.

Thermal expansion of bridges

The length of the metal frameworks of bridges change when the temperature changes.

Cuboid

A cuboid is a polyhedron with six rectangular faces.

Karst region (intermediate)

Karst formations include dolines and dripstones.

Electric car

The Tesla Model S is one of the first commercially available electric cars.

Added to your cart.