https://actuallyrandom.com/tags/mathematics/ Recent content in Mathematics on Actually Random Hugo en-us Fri, 10 Jul 2026 22:00:00 +1200 https://actuallyrandom.com/posts/how-does-20-questions-work/ Fri, 10 Jul 2026 22:00:00 +1200 https://actuallyrandom.com/posts/how-does-20-questions-work/ Twenty yes-or-no questions is exactly twenty bits, enough to pick one thing out of 1,048,576. I played against ChatGPT, measured every question it asked, and watched it throw away eight of its twenty bits.