Thank you to BetterHelp for sponsoring this video! To get 10% off your first month of therapy, go to https://betterhelp.com/standupmaths to sign up today. If you are need of urgent mental health support please check for crisis help lines available in your country. USA: https://www.mentalhealth.gov/get-help/immediate-help UK: https://www.nhs.uk/mental-health/advice-for-life-situations-and-events/where-to-get-urgent-help-for-mental-health/ Plus if you are in Europe you can search Mental Health Europe: https://www.mhe-sme.org/ Check out A Podcast of Unnecessary Detail! https://festivalofthespokennerd.com/podcast/ I put a version of "Steamed Primes" on my second channel which has the original faintly in the background. It's a bit easier to see what is happening! https://www.youtube.com/watch?v=kwJ0LJOlUj4 This is Zach's Saturday Morning Breakfast Cereal comic in question. https://www.smbc-comics.com/comic/convert Graham Sutherland's tweet to Zach. http://twitter.com/gsuberland/status/1508697913177915393 Nick Matteo's amazing cheat to find Wally. https://kundor.github.io/Finding-Waldo/ Here is the Numberphile video from 2017 about picture primes. https://www.youtube.com/watch?v=fQQ8IiTWHhg Here is Jesse Mitchell's "pictoprime' code on GitHub. Also can be installed via npm. https://github.com/TotalTechGeek/pictoprime https://www.npmjs.com/package/pictoprime Cheers to my Patreons for helping me double check there is nothing too sus in r/place. https://www.patreon.com/standupmaths CORRECTIONS - Nothing yet. Let me know if you spot any mistakes! Filming and editing by Alex Genn-Bash Additional filming by Matt Parker Studio space to hang a black cloth provided by Matt's Dad's Study Working in the living room instead by Matt's Dad Music by Howard Carter Design by Simon Wright and Adam Robinson L̴O̵N̴G̷ ̶L̸I̴V̶E̷ ̷J̸I̵G̶