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One of the most modern means of transport is the Maglev, capable of travelling at speeds of over 400 km/h.
The American inventor presented his invention revolutionising telecommunication at New York University in 1837.
The ancient Roman arena became well-known for the chariot races held here.
The device that transmits human voice as electrical signals was invented by Bell in 1876.
The theatre that has a distinctive shape and excellent acoustics was situated at the side of the Acropolis in Athens.
The curvature of the lens of the eye changes when we look at a distant or at a near object, to ensure a sharp image.
The German engineer Rudolf Diesel patented the diesel engine in 1893.
An average Egyptian dwelling consisted of regularly arranged rooms.
A spectacular demonstration of algebraic expressions.
The American electrical engineer Edison invented the incandescent light bulb in 1879, which changed our everyday life.
Chess games can help to develop logic skills.
This animation shows the symptoms and treatment of secretory otitis media.
Studying Ceres and Vesta will help us learn more about the early history of the Solar System and how rocky planets are formed.
Mitosis is the process by which a eukaryotic cell divides into two cells and the number of chromosomes remains unchanged.
Hotspots are areas of the Earth´s crust where magma often rises to the surface and causes volcanic activity.
Stratovolcanoes consist of layers of volcanic ash, debris and lava.
The Earth’s magnetic North and South poles are located near the geographic North and South poles.
A Zeppelin is a type of rigid-framed airship.
The ozone layer filters the Sun´s harmful UV radiation, therefore it is indispensable for life on Earth.
Matter is made up by quarks and leptons, while interactions are carried by bosons.