In this Python astrophysics tutorial, I walk you through calculating the gravitational field produced by a ring of mass. Using numerical methods and Python libraries, we explore how to compute ...

Most of us first hear about the irrational number π (pi)—rounded off as 3.14, with an infinite number of decimal digits—in ...

Every month more than a million Premium Bonds winners are chosen at random and two bond holders pocket £1million each. Other prizes range from £25 to £100,000. In our tables we reveal all the prizes ...