A good rule of thumb: never mock someone’s enthusiasm or excitement about learning something, even if it’s old news to you. Let people enjoy discovering things.

I'm rediscovering it. I remember reading about this in some flashy, superlative Popular Science article, from the early/mid 2000s. So I was quite excited to click on the link and see that shape again.

But also, something something lucky ten thousand.

https://xkcd.com/1053/

I can't help myself, I always flip to the last page of a Wikipedia article to find out who did it.