History of math: Sumerian multiplication table (2700 BC) Cuneiform multiplication table Once people in West Asia figured out how to write down numbers, about 3500 BC, they quickly began to want to use cuneiform to [...]
Egyptian sundial (Valley of the Kings, Egypt, ca. 1300 BC). It's on a small chip of limestone so you could carry it around. Using the sun to tell time During [...]
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 [...]
Central Asian science: A clay pot with a drawing of a wheeled cart from what is now Poland, about 3500 BC What was invented in Central Asia? Many of the [...]
