Geothermal power stations convert energy of hot, high-pressure water found in deeper layers of the Earth into electricity.
This animation demonstrates the components (vertices, edges, diagonals and faces) of the cube, one of the Platonic solids.
Mercury is innermost and smallest planet of the Solar System.
Possible traces of water and life are sought on Mars.
Jupiter is the largest planet of the Solar System, it has two and a half times the mass of all the other planets combined.
There are two basic cell types: prokaryotic and eukaryotic cells.
During its orbit around the Earth, the visibility of the Moon's illuminated part constantly changes.
An exercise about the regular hexahedron built from unit cubes to help deepen your knowledge of cubes.
By positron emission tomography (PET), we can obtain visual information on our internal organs without making any surgical incisions.
An entertaining game about different views of spatial objects.
A cuboid is a polyhedron with six rectangular faces.
The range of applications of unmanned aerial vehicles ('drones') keeps growing.
Saturn is the second largest planet in the Solar System, easily recognisable by its rings.
The vacuum cleaner creates a partial vacuum and sucks up dust with the help of the incoming high-pressure air.
Submarines submerge and surface by changing the average density of the hull.
Due to their asymmetrical profile of the wings, lift is produced while flying at a high speed.
An entertaining animation to practise orientation using a map.
The first indoor theatre in modern history to be constructed according to the theatre-building codes of Antiquity was inaugurated in 1585.
The most important Neoclassicist building in France, completed in 1791, became the final resting place of many of France´s greats.
The cathedral named after the Assumption of Mary into Heaven is one of the gems of French Gothic architecture.