Mathematical and Puzzle Fonts/Typefaces http://erikdemaine.org/fonts/

Puzzle Montage Art by Tim Klein https://puzzlemontage.crevado.com/

“Puzzles, Problems, and Programs” by Chris Martens - YouTube https://www.youtube.com/watch?v=TT0r6-B5YHA

Book review: The puzzling empathy of debugging https://wozniak.ca/blog/2018/05/07/The-puzzling-empathy-of-debugging.html

This Game Teaches You How to Build a Quantum Compu… https://motherboard.vice.com/en_us/article/a3jkya/quantum-game-physics-computer-puzzle

Wireless Spectrum Allocation: The Invisible Puzzle https://tedium.co/2017/05/11/wireless-spectrum-allocation-challenges/

This Simple Philosophical Puzzle Shows How Difficult It Is to Know Something - Facts So Romantic - Nautilus http://nautil.us/blog/-this-simple-philosophical-puzzle-shows-how-difficult-it-is-to-know-something

Oliver Stone’s Putin puzzle: An evil genius who made history, or a shrewd, small-minded nonentity? - Salon.com http://www.salon.com/2017/06/17/oliver-stone-deconstructs-putin-an-evil-genius-who-made-history-or-a-shrewd-but-small-minded-apparatchik-writ-large/?curator=MediaREDEF