In 1979, Hounsfield won the Nobel Prize in Physiology or Medicine for his role in the development of computer-assisted ...

A one-minute video showing you how to prove Pythagoras' theorem: that the area of the square on the longest side of a right-angled triangle is equal to the sum of the squares on the other two sides.

A 3,700-year old Babylonian clay tablet reveals an ancient method of constructing right-angled triangles that makes it the world’s oldest and most accurate trigonometric table.