In January I wrote a piece titled “ 5 Physics Equations Everyone Should Know .” Lots of you weighed in with your own nominations, and there were plenty of good suggestions. So I’ve decided to do a ...
When you shine a flashlight into a glass of water, the beam bends. That simple observation, familiar since ancient times, hides one of the oldest puzzles in physics: what really happens to the ...
The Irish mathematician and physicist William Rowan Hamilton, who was born 220 years ago last month, is famous for carving some mathematical graffiti into Dublin's Broome Bridge in 1843.
Have you ever made a wisecrack about something terrible that just happened, and been greeted with dead silence instead of a laugh? Not a great feeling. It's tricky knowing what you're allowed to joke ...
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