Even the great Isaac Newton – taking a break from celestial matters by sipping a cup of coffee under his favourite apple tree – might have been stymied by one mundane question. How, he may...
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 field...
Why is it that you can warm your hands by blowing gently against them and cool them by blowing hard? The answer requires a clear understanding of physics and a rudimentary knowledge of the workings of...