The British Royal Fleet led by Admiral Lord Nelson defeated the combined Franco-Spanish fleet in the naval battle during the Napoleonic Wars.
World War I brought major changes in military technology, due to the development of new weapons.
Cyclones are large air masses with winds spiralling inwards around a low-pressure centre, and carry clouds and precipitation.
The Votive Church of Szeged, located on the Great Plains of Hungary, emerges from the buildings of the city's famous square, while the National Pantheon can...
The battle ended with the victory of William the Conqueror´s Norman army over the English.
The Ottoman fleet suffered a catastrophic defeat by the fleet of the Holy League.
During World War I France was part of the military alliance called 'Triple Entente'.
Giant sequoias are the world's largest living organisms by mass.
This animation demonstrates the construction of motorcycles.
The animation shows the forms of government and official languages of the world´s countries.
Three-dimensional assembly puzzle with solutions.
This animation demonstrates several types of prisms, from general to regular.
Dogs are the domesticated subspecies of grey wolves.
An exercise about the volume and surface area of solids generated from a ´base cube´.
This animation demonstrates the structure and operation of impulse turbines.
Combine harvesters are machines that harvest and thresh grain crops.
This animation demonstrates how microwave ovens work.
Ancient Indian war elephants were used as ´tanks´ in battles.
The characteristic colours of the common kingfisher aid the bird in catching its prey.
Marsh harriers are birds of prey found almost worldwide.