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 ...

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 ...

One of the most fundamental equations in physics, Newton’s Second Law of Motion, was formulated by Sir Isaac Newton in 1687.