Sean Carroll – How Time and Space Began

How did time and space begin? From the age of ten, Sean Carroll has wanted to know. He first read about the big bang model of the universe as a child. Later, he turned down two job offers from Stephen Hawking. The big bang model…

Nonograms Permutations – DevGin

Nonogram Permutation This started with a friend asking for help figuring out a for loop. She wanted to know how many different ways she can arrange this setup. Nonograms are picture logic puzzles in which cells in a grid must be colored or left blank…