Radioactivity

The process of the decay of unstable nuclei is called radioactivity.

Hierarchy of the Medieval Christian church (11th century)

This animation shows the hierarchical structure of the Medieval Christian church.

3D Tangram

A special, 3D version of the well-known Chinese logical game.

Forces

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

How does it work? - Differential gear

A differential allows the driven wheels of a car to rotate at different speeds when the car is turning.

Passive house

In a passive house a comfortable inner temperature can be ensured without the use of traditional heating and cooling systems.

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.

Stag beetle

With the example of the stag beetle we demonstrate how insects' muscles function, how insects fly and how they reproduce.

Apoxyomenos

The characteristic ancient Greek statue was found on the bottom of the Adriatic Sea.

Torii (gateway) of the Itsukushima Shrine

The torii is a traditional Japanese gate built at the entrance of shrines.

Stirling engine - hot-air engine

Stirling engines are also known as external combustion engines. Unlike internal combustion engines (e.g. Otto-engine), here combustion takes place outside...

Ivan Meštrović: History of the Croats

One of the Croatian sculptor's most famous works depicts a woman wearing a traditional costume.

Optical isomerism

Mirror image isomers of asymmetrical shapes and solids are non-superimposable.

European pond turtle

The animation shows the anatomy of turtles.

Heart attack

The cause of a heart attack is the blockage of a coronary artery. It is one the most common causes of death.

European badger

The European badger is an omnivorous, nocturnal animal. Badger colonies live in large burrow systems, called setts.

How does it work? – Tower crane

Tower cranes are machines used for lifting loads weighing up to several tonnes.

Japanese soldier (World War II)

Highly committed Japanese soldiers fought primarily at the Asian and Pacific theaters of the Second World War.

Polynesian catamaran

Polynesians traveled huge distances with their specially designed boats.

Transformer

A transformer is a device used for converting the voltage of electric current.

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