Don't forget to take a ruler and calculator into the exam. Maths questions often start with the command word 'calculate'. You need to use numbers given in the question to work out the answer. When an ...

In this video excerpt from NOVA's "Hunting the Elements," New York Times technology columnist David Pogue visits The Verdin Company, a manufacturer of bells, to learn about bronze. Find out how copper ...

Electron diffraction is a powerful analytical technique used to study the atomic structure of materials. It involves the interaction of a beam of electrons with a crystalline sample, resulting in a ...