mcgill.ca

X0K06 TIL there are more permutations for a deck of cards than there are atoms on Earth.
epQZJ TIL If you shuffle a deck of cards properly, odds are that exact order has never existed before in history. There are 8.06×10⁶⁷ possible arrangements. That’s more than atoms in the observable universe. So every time you shuffle, you’re probably creating a cosmic first edition.
9wnvr TIL uppercase and lowercase letters are called that because back when people printed using metal letters, ink, and a brush, to keep the letters organized, the big letters were stored in the “upper” compartments and the little ones were in the “lower” compartments