How does it work? - Mobile phone

This animation demonstrates how mobile phones work.

Auschwitz-Birkenau concentration camp

More than one million people died in the WWII Nazi death camp located in present-day Poland.

Long-tailed mayfly

Larvae of this type of mayflies spend the first three years of their lives in water, their adult lives last for only one day which they use for mating.

How does it work? - CRT television

This animation demonstrates how a CRT television works.

How does it work? - Plasma display television

This animation explains how a plasma display television works.

Platonic solids

This animation demonstrates the five regular three-dimensional (or Platonic) solids, the best known of which is the cube.

Blood vessels

The three main types of blood vessels in the human body are the arteries, the veins, and the capillaries.

What is the time?

A game to practise the use of analogue and digital clocks.

How does it work? - LCD screens

A liquid-crystal display utilises the light modulating properties of liquid crystals.

Generating alternating current

Electric current can be generated by rotating an armature loop in a magnetic field.

Non-orientable surfaces

The Möbius strip and the Klein bottle are special two-dimensional surfaces with only one side.

Conic sections

The conic section is a plane curve that is created when a right circular cone is intersected by a plane.

Stegosaurus

A type of prehistoric reptile having bony plates on its back, which aided thermoregulation.

Mesopotamian inventions (3rd millennium BC)

These tools, revolutionary even in their simplicity, are still in use today.

Fuel cell

A fuel cell provides environment-friendly electric energy produced by the chemical reaction between oxygen and hydrogen.

Shale gas

This animation explains the technology of shale gas extraction.

Medical conditions of the spine

Scoliosis is a medical condition in which a person's spine has a lateral deviation.

Cinema (USA, 1930s)

Cinemas were built in large numbers in big cities of the US in the 1910s.

Forces

The animation shows the way forces act on wheeled vehicles and vehicles with runners.

Metals

Metal atoms form a regular lattice structure.

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