A chair can still look like a chair even when its surface is reduced to a sparse cloud of points. Humans are remarkably good ...

Learn about 3D shapes and their properties. Properties of 3D shapes Learn about faces, edges and vertices. What is volume? Find out how the volume of a 3D shape can be calculated by counting cubes.

There are billions of galaxies in our universe – more than 10 times the previous estimate of 200 billion – but we know surprisingly little about what they really look like in three dimensions. Unlike ...

Complete this interactive activity to find out more about 3D shapes and then put your knowledge to the test. Cubes have 6 flat faces which are all the same size. Everyday things that have the shape of ...