Wonderful loops
https://volvulent.tumblr.com/
https://volvulent.tumblr.com/
These prime number posters by Nicholas Rougeux are stunning. I don’t think I’ve ever seen such a wonderfully prime display of digits. https://www.c82.net/work/?id=392 https://www.c82.net/work/?id=392
Bell Telephone Launched a Mobile Phone During the 1940s: Watch Bell’s Film Showing How It Worked
Some just make you go, “Oh neat”. https://maxbittker.github.io/broider/
I may not be pitching anything, but useful powerpoint slides are always nice https://www.searchthedeck.com