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Massive accelerating or orbiting bodies cause ripples in spacetime. These are called...
This animation demonstrates the type of engine most commonly used in cars.
This animation introduces the most important organ systems of the human body.
Ears convert the vibrations of air into electric signals which are then processed by the brain.
This animation demonstrates different types of volcanic eruptions
The most famous and most magnificent amphitheatre of Rome was built in the 1st century.
The desalination process produces drinking water from seawater.
Large carnivores, perhaps the best known of dinosaurs.
A spectacular demonstration of algebraic expressions.
The church of the ´Holy Wisdom´, built in the Byzantine Empire, had been one of the largest...
Visit the workshop of the Renaissance polymath and his most important inventions and works of art.
This animation demonstrates how the Earth and the Moon were formed.
The world´s most famous citadel, the Acropolis of Athens was built in the 5th century BC, during...
A hydrothermal vent is a fissure in the planet's surface from which geothermally heated water...
The Panama Canal is an artificial waterway created to shorten shipping routes between the...
Ancient Egyptians worshipped a large number of gods and goddesses.
The Suez Canal is an artificial waterway connecting the Red Sea and the Mediterranean Sea.
A collection of legendary buildings from the history of the world.
Standing bodies of water can form in depressions on the surface by both endogenic and exogenic...
Several ingenious instruments have been invented over the centuries to help in navigating the seas.