Bulbous spring plants

This animation demonstrates the anatomy of tulips, daffodils and snowdrops.

Hard disk drive

Computer hard disk drives are devices of magnetic data storage.

Archaeopteryx

The archaeopteryx shows characteristics of both birds and reptiles. It is probably the ancestor of birds.

Saint Basil's Cathedral (Moscow, 16th century)

The church consecrated to Saint Basil was commissioned by Ivan the Terrible.

Roman gladiators (2nd century)

Gladiators were combatants who entertained audiences in fights against each other or wild animals in ancient Roman arenas.

Metals

Metal atoms form a regular lattice structure.

The withdrawal reflex

The withdrawal reflex is a spinal reflex that ensures moving away from potentially damaging stimuli.

Abbey of Saint Gall (11th century)

The building complex was one of the most important Benedictine abbeys for centuries.

Ottoman soldiers (16th century)

The Ottoman army included janissaries (paid warriors) and sipahis (vassal knights).

Public school in Central Europe (early 20th century)

Public schools in villages played an important role in education.

Triceratops

A type of herbivorous dinosaur easily recognisable by its large frill and three horns which lived in the Cretaceous period.

How does it work - Refrigerator

This animation demonstrates how a refrigerator works.

Louis XIV (the Sun King)

The French monarch got his epithet because of his opulent and extravagant lifestyle.

Cinema (USA, 1930s)

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

Capacitors

Capacitors store electrical energy in the form of electric charge.

Mesopotamian inventions (3rd millennium BC)

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

Types of dentition in mammals

The dentition of different species of mammals reflect their feeding habits.

Stegosaurus

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

How does it work? - LCD screens

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

How does it work? - Plasma display television

This animation explains how a plasma display television works.

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