Electric motors are present in many areas of our everyday lives. Let's learn about the different types.
The Doric, Ionic and Corinthian order of columns are different in size and ornamentation as well.
This animation demonstrates the development of the human embryo and foetus.
The layers of different types of forests may vary.
The ancient city of Babylon was built on the banks of the Euphrates River in Mesopotamia.
According to Homer’s epic, Odysseus’ Stratagem caused the loss of Troy.
Plants are capable of converting inorganic substances (carbon dioxide and water) into organic sugar.
The Earth is a rocky planet with a solid crust and oxygen in its atmosphere.
Bats use ultrasound to navigate and hunt for prey.
This creative animation contains several 3D objects for colouring.
Darwin's legendary voyage aboard HMS Beagle played a crucial role in the development of the Theory of Evolution.
This animation demonstrates geometric rotation, a type of geometric transformation both in plane and space.
Before the emergence of motorised vehicles, letters and parcels were delivered by horse-drawn mail coaches.
The train operates between Paris and southern Germany, its cruise speed is 320 km/h.
Machines converting the energy of wind into useful forms of power were already in use in the Middle Ages.
The inner planets of the Solar System are terrestrial planets while the outer planets are gas giants.
RMS Titanic was the largest passenger ship at the beginning of the 20th century.
The seminomadic lifestyle of the Bedouin adapted to the climatic and environmental conditions of the desert.
The Rutherford Experiment proved the existence of positively charged atomic nuclei. The results led to the elaboration of a new atomic model.
The German engineer Rudolf Diesel patented the diesel engine in 1893.