Simply put, pi is a mathematical constant that expresses the ratio of a circle’s circumference to its diameter. It figures into numerous formulas used in physics, astronomy, engineering and other ...

Pi Day was first celebrated in 1988 at San Francisco's Exploratorium, a museum of science and technology that encourages visitors to be hands-on.

Hands On The Raspberry Pi 500 and monitor have been released just in time for Christmas. The machine itself is an undeniably impressive bit of hardware, but the monitor is slightly puzzling.… ...