A friend mine shared a gorgeous video show how coffee rings form at a microscopic level. Apparently he found the video through a impressive blog called Empirical Zeal that’s maintained by a Physics grad student. The blog post, entitled “The Universal laws behind growth patterns, or what Tetris can teach us about coffee stains,” doesContinue reading “Of coffee rings and ballistic deposition”

# Tag Archives: yay math

## In celebration of pi

If you happen to be in a bar and you need to quickly calculate , head over to a dartboard. Draw a square that perfectly encloses the dartboard. (The length of its sides should be equal to the dartboard’s diameter.) Start throwing darts randomly at the square. If you manage to distribute the darts uniformlyContinue reading “In celebration of pi”