There is a story that the first Chin emperor used the divining board and compass in court to affirm his right to the throne. Primarily, the compass was used for geomancy for a long time before it was ...

Mathematicians just found a way to simplify one of the three classical problems in Greek mathematics, dating back thousands of years: “squaring the circle,” or constructing a square with the ...

Primarily, the compass was used for geomancy for a long time before it was used for navigation Ancient Chinese alchemists realized that the magnetite ore would point towards a magnetic north. Their ...