Image source:

Martin Kleppe on Twitter: "I'm fascinated by this simple formula to create bit fields that look like alien art:(x ^ y) % 9 pic.twitter.com/jZL15xzEDL / Twitter"

Learning resources

The Joy of Processing

Thread:

https://twitter.com/aemkei/status/1378106731386040322?s=19

https://twitter.com/ruuddotorg/status/1441583023594434569?s=20