Equations are the bedrock of science, expressing how numbers or physical properties relate at a fundamental level. Without equations, most of our technology would never have been invented. We may have ...

It’s the sort of easy maths problem that you can work out in a few minutes using pencil and paper, but physicists in China, Canada and Singapore have now solved pairs of linear equations like this one ...

What were the most important equations of 20th-century science? Here are 11 essays, aimed at non-specialists, each centred on a different equation. The authors are distinguished in their various ...