Types of ancient Greek columns

The Doric, Ionic and Corinthian order of columns are different in size and ornamentation as well.

Transport processes

This animation explains active and passive transport processes occurring through cell membranes

Windmill

Machines converting the energy of wind into useful forms of power were already in use in the Middle Ages.

Layers of the ocean

Physical properties, as well as the flora and fauna of the ocean change with depth.

TGV POS train

The train operates between Paris and southern Germany, its cruise speed is 320 km/h.

Generators and electric motors

While generators convert mechanical energy into electrical energy, electric motors convert electrical energy into mechanical energy.

Newton’s Laws of Motion

This animation demonstrates Sir Isaac Newton's three laws of motion that laid the foundation for classical mechanics.

Traditional Japanese house (Machiya)

The animation shows the traditional Japanese wooden townhouse, the machiya.

Chain reaction

Energy released during nuclear fission can be used for civilian or military purposes.

The flowers of angiosperms

The animation demonstrates the different flower types of angiosperms.

Neolithic settlements

As a result of the revolutionary advances in the Neolithic, settling human communities established the first lasting settlements.

Mushrooms

A mushroom is the fleshy fruiting body of a fungus, made up from hyphae.

Development of the atomic model

Major phases in the history of theories and views about the structure of the atom.

Electric motors

Electric motors are present in many areas of our everyday lives. Let's learn about the different types.

Saint Alexander Nevsky Cathedral (Sofia, 20th century)

Built in Neo-Byzantine style, this Orthodox cathedral is one of the symbols of the Bulgarian capital city.

Tornadoes

Short-lived but extremely powerful tornadoes can cause a great deal of damage.

Solids of revolution

Rotating a geometric shape around a line within its geometric plane as an axis results in a solid of revolution.

The anatomy of leaves

This animation presents the main types of leaves and the differences between monocot and dicot leaves.

Mail coach service (Great Britain, 18th century)

Before the emergence of motorised vehicles, letters and parcels were delivered by horse-drawn mail coaches.

How does it work? - Turbojet

This animation demonstrates how a turbojet engine works.

Added to your cart.