The Rubik's Cube has 43 quintillion arrangements
Yet any scramble can be solved in 20 moves or fewer -- a limit mathematicians nicknamed 'God's number.'
Today's briefing: a few timeless things worth knowing about words, language, AI, and puzzles. (Archive edition.)
Yet any scramble can be solved in 20 moves or fewer -- a limit mathematicians nicknamed 'God's number.'
Modern coding assistants generate apps and websites straight from a written description, shrinking the gap between an idea and a working product.
The author of 'Alice in Wonderland' created the game of changing one word into another a single letter at a time, which he called 'Doublets,' in 1877.
Small, steady vocabulary habits beat cramming: learn one useful word daily and the gains quietly compound.
The first modern crossword appeared in the New York World newspaper in 1913 and quickly became a daily ritual worldwide.
'The quick brown fox jumps over the lazy dog' contains all 26 letters, which is why it is used to test fonts and keyboards.