Typical dwelling types

Every era and every culture has specific residential buildings.

Ames room

An Ames room is a distorted room that is used to create an optical illusion.

Lead-acid battery

Electrochemical processes in a lead-acid battery produce electric current.

Battle of Thermopylae (480 BC)

The battle of the Greek-Persian War became famous for the heroic sacrifice of the Spartan soldiers.

The first days in school

Learn the concept of colours, numbers, letters and shapes while playing

Niche

In ecology, a niche is a term describing the way of life of a species.

Fjord

A fjord is a long, narrow inlet with steep sides, created in a valley carved by glacial activity.

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.

Planaria gonocephala

One of the most common types of flatworms.

Glaciation

The last Ice Age ended about 13 thousand years ago.

Geyser

A geyser is a spring characterised by intermittent discharge of water and steam.

How do geckos' feet adhere to smooth surfaces?

Geckos can walk on walls or even ceilings. The 3D scene explains this ability.

Spider silk, spider web

While the density of spider silk is less than that of nylon filaments, its tensile strength is greater than that of steel.

The history of human migration

The migration of large human populations began in Ancient times.

Magnetron

One of the most important components of the microwave oven is the magnetron, which produces the microwaves.

Milky Way

The diameter of our galaxy is about 100,000 light years; it contains more than 100 billion stars, one of which is our Sun.

Types of feathers

The animation demonstrates the most important types of feathers and their fine structure.

Ictíneo II submarine

The submarine designed by the Spanish inventor Narcís Monturiol was a pioneering work in the history of underwater navigation.

Non-orientable surfaces

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

Platonic solids

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

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