On November 1, the formula for estimating the abundance of extraterrestrial life in our galaxy celebrates its 50th birthday. It’s known as the Drake equation for its creator, Frank Drake, who is also ...
More than a century after Srinivasa Ramanujan scribbled his astonishing formulas for π in notebooks in India and England, physicists are finding that those same equations describe how nature behaves ...
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 ...