A starry sky with the Milky Way galaxy(thanks to Bernd Nies) Early astronomy The very earliest people, as early as six million years ago, knew much more about the moon and the planets and the stars than most [...]
Copernicus, a Renaissance astronomer Starting in the 1200s AD, as Europe got richer, great universities got started there. In the later Middle Ages, West Asia and India suffered from the Mongol invasions. West Asian people were too poor to [...]
Islamic astronomers taking observations West Asian astronomers had been world leaders in astronomy for thousands of years before the Islamic conquests in the 600s AD. In the last centuries BC, West Asian astronomers had already [...]
Al Tusi in his observatory (ca. 1259 AD) Nasir al Tusi was born in Iran in 1201 AD, as the Seljuk Empire was falling apart. The Seljuks were Turkic people. But al Tusi, [...]
History of Math: Counting tokens from Mehrgarh in Late Stone Age India Indian counting tokens and base 10 The first Indian numbers appeared in the late Stone Age, about 4000 BC. Around this time, [...]
Ancient Indian science: Mohenjo Daro (ca. 2000 BC) From the time of the Harappans to the time of the Islamic conquests, Indian scientists and mathematicians were leaders. Ancient Indian science especially stood out in mathematics and [...]
Making a sundial in your yard How to make a sundial You'll need to do this project on a sunny day. Get a wooden stick, about a meter long, and [...]
Arya Bhata worked at Nalanda University, in Patna, India Where was Arya Bhata from? Arya Bhata was born about 476 AD in India. He probably came from central India, though nobody knows for [...]
