Seems to be about the factoid that the human body has 100,000 km of blood vessels. That is bogus but predates the Internet.

Kurzgestegahgtat took a year to find out something was 100 year old bullshit. Nice

For Krogh, the source of the number, it was a quite reasonable estimate, which was about all that was possible at the time. And it was ‘wrong’ by less than an order of magnitude … compared to the newest estimate. AND an estimate of a truly unimportant number is as good as you can get (or need) in many cases. What’s the total length of all the ice cores drilled since Camp Century? And their total volume is?

Those sons o’ bitches! I trusted them!