7 ms·
https://what-if.xkcd.com/29/ https://what-if.xkcd.com/29/
https://what-if.xkcd.com/29/ https://what-if.xkcd.com/29/
This may be the most relevant xkcd yet. It answered all questions I had about this, thank you.
And a video version:
https://www.youtube.com/watch?v=EFRUL7vKdU8&t=11s https://www.youtube.com/watch?v=EFRUL7vKdU8&t=11s