Learn about angles in triangles and quadrilaterals with this BBC Bitesize Maths article. For students between the ages of 11 and 14.

Angles are based on parts of a full turn, which is 360°. A quarter turn is 90° and is called a right angle. A half turn is 180° and is known as a straight angle (or angle on a straight line). A ...

Researchers at Ohio State University have a made a lens that simultaneously takes pictures of an object from nine angles, images which are then combined to make a 3-D one.

Axel Bassani and Nicolo Bulega saw their Tissot Superpole Race end moments after it began as they collided on Turn 1 of the opening lap After a great jump off the line from the two Italians, Nicolo ...