Pi is without question the most elegant of irrational numbers; surpassing all known tests for randomness, it is essential for describing general relativity, the DNA double helix, rainbows, and waves. Given humanity’s need to find patterns in the world, it’s not surprising that pi has been the subject of obsessive study for nearly 4,000 years and that, in some corners, it is believed to hold the secrets of the universe -- and madness for those who study it too closely. For the majority of San Franciscans, however, “Archimedes’ constant” means one thing: eating delicious pie on... More >>>