Thread by @mcclure111

Thinking about Arecibo-style messages and realizing that if you count out the first five primes as unary bits, it comes to exactly 4 bytes. 10111011 11101111 11101111 11111111 . That's sorta neat

Wait hold on and if you continue onward with 13 and 17 (11111110 10111111 11111111 11111111) it fills exactly 8 bytes. That's mostly useless but fascinating

This is neat because my Arecibo ABI for executables can begin with either the first 5 or first 7 primes to indicate whether it is using a 32 bit or 64 bit word size

https://twitter.com/mcclure111/status/1440370177779003408

Okay so now I just have to figure out how to include an example of UTF-8 that clearly self-explains how to do UTF-8 codepoint encoding... ... y'know, I was *supposed* to be working on my game's level-loading code today.