Zero was invented by the Indian mathematician Aryabhata around 499 AD. The concept of zero first appeared in India around 458 AD. Zero was denoted by the word shunya, or void. In 628 AD, Brahmagupta gave the rules of computing with zero.
Scientists believe that humans originated about 200,000 years ago in the Middle Paleolithic period in southern Africa. One of the oldest human settlements dating back to 160,000 years ago has been found at Middle Awash in Ethiopia. About 70,000 years ago, humans migrated out of Africa. They spread to Eurasia and Oceania 40,000 years ago,…
The introduction of wheel is a landmark in the process of human civilization. The wheel came into use simultaneously in Mesopotamia, Central Europe and India, and so which culture actually invented it remains a mystery. The wheeled vehicles have been discovered dating back to the 4th century BC.
Archaeologists have found evidence that Scotland’s prehistoric hunter-gatherers or tribes built a giant ‘year-clock’ capable of tracking the passing of lunar months. No wonder, the British are known for their punctuality.
Thomas Edison is known for his discoveries of several devices, conspicuous among them being the light bulb and the phonograph. What is not so well known is that he once owned the largest cement plant in the world. It is said that he dreamt of a future in which millions of Americans would not only…
In 1837, Friedrich Froebel established the ‘Play and Activity Institute’ based on his tested method of activity based learning. He renamed the institute ‘Kindergarten’ in 1840. The word kindergarten means the garden for the children (kind or ‘child’ and garten or ‘Garden’), a place where they can observe nature and interact with it. It also means…
