The Gaul city Alesia, defended by Vercingetorix, was besieged by the Roman forces of Julius Caesar in 52 BC.
Ancient Indian war elephants were used as ´tanks´ in battles.
This animation demonstrates several types of prisms, from general to regular.
This animation demonstrates various groups of solids through examples.
This animation demonstrates the structure of water towers.
One of the most important battles of World War II proved to be a turning point of the War in the Pacific
Based on their life cycle, insects can be grouped into three categories: ametabolous, hemimetabolous or holometabolous insects.
The excellent archers were feared members of the Persian army
The first Hungarian-made locomotive powered directly from the national electricity network without complicated transformations.
The prosperity of the eastern part of the Roman Empire started in the early 4th century, during the reign of Emperor Constantine.
The brain and skull underwent significant changes during human evolution.
A prehistoric amphibian and an early representative of the Tetrapods, which became extinct 360 million years ago.
Alkanes are saturated hydrocarbons which can be organized into a homologous series.
Giant sequoias are the world's largest living organisms by mass.
The Gaul city Alesia, which was defended by Vercingetorix, was besieged by the Roman forces of Julius Caesar in 52 BC.
Large, extinct species of cats named after the shape of their large canine teeth.
One of the most important parts of a medieval castle was the Knights´ hall.
Before the appearance of firearms medieval battles were often decided by armored knights.
One of the main units of Matthias Corvinus´ Black Army was the cavalry.
Television, invented in the early 20th century, became one of the basic forms of entertainment.