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Written by Jarrod Green If Lawrence Bragg was still alive he really could be boastful. This November marks the centenary of crystallography. It’s a powerful technique Bragg helped to develop for studying the structure of chemicals.

Have you ever wondered what quantum physics was all about? Grab a tray of water and learn a bit about the strangest science of the twentieth century!

Laser light is not the same as other kinds of light. In this activity, discover some of the ways it is special, and make a really cool pattern!