Telegraph (Samuel F. B. Morse)

The American inventor presented his invention revolutionising telecommunication at New York University in 1837.

Roman soldier (1st century BC)

Mercenaries of the ancient Roman army were well-trained and well equipped with the most up-to-date weapons.

Telephone (Alexander Graham Bell)

The device that transmits human voice as electrical signals was invented by Bell in 1876.

The mechanism of vision

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.

Diesel engine

The German engineer Rudolf Diesel patented the diesel engine in 1893.

Anglerfish

This bizarre-looking fish uses its bioluminescent lure to catch its prey. The animation explains how it works.

Ozone layer

The ozone layer filters the Sun´s harmful UV radiation, therefore it is indispensable for life on Earth.

Middle ear infection, otitis media

This animation shows the symptoms and treatment of secretory otitis media.

Chess games

Chess games can help to develop logic skills.

The Dawn mission

Studying Ceres and Vesta will help us learn more about the early history of the Solar System and how rocky planets are formed.

Mitosis

Mitosis is the process by which a eukaryotic cell divides into two cells and the number of chromosomes remains unchanged.

Formation of stratovolcanoes

Stratovolcanoes consist of layers of volcanic ash, debris and lava.

Hotspots

Hotspots are areas of the Earth´s crust where magma often rises to the surface and causes volcanic activity.

The Earth’s magnetic field

The Earth’s magnetic North and South poles are located near the geographic North and South poles.

Notable products

A spectacular demonstration of algebraic expressions.

Edison’s light bulb

The American electrical engineer Edison invented the incandescent light bulb in 1879, which changed our everyday life.

Egyptian Pyramids (Giza, 26th century BC)

The Giza Necropolis is the only one of the Ancient wonders still intact.

Elementary particles

Matter is made up by quarks and leptons, while interactions are carried by bosons.

Pantheon (Rome, 2nd century)

The ´Temple of all gods´ was built during the reign of the Roman Emperor Hadrian.

Formula 1 racing car

Formula 1 is the highest class and most popular type of motor racing.

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