xkcd #2882: Net Rotations ( imgs.xkcd.com )
Alt text:
For decades I've been working off the accumulated rotation from one long afternoon on a merry-go-round when I was eight.
![](https://mbin.grits.dev/media/cache/resolve/entry_thumb/d9/70/d970ce91d0d7b1ffa42d2c3e36f3eac57d9db96a27de4de041b61b5aa5c95509.png)
Alt text:
For decades I've been working off the accumulated rotation from one long afternoon on a merry-go-round when I was eight.