Ready to flex those mental muscles? Dive into the latest puzzle challenge from Michael S. Branicky and his PC2 squad in the September/October 2026 Puzzle Corner. Send in your solutions by October 1st for a chance to be featured.
This column, launched back in 1966 by Editor Emeritus Allan Gottlieb, has been keeping minds sharp for generations. Explore past issues from 1966 to 2022 at cs.nyu.edu and more recent ones on technologyreview.com.
From cryptographic conundrums to logic puzzles, there's something for everyone. So, grab a cup of tea, sit back, and let your mind wander.







