 And I think I've read the explanation of it's kind of like if an ice skater is spinning and sticks their arms out, they're going to spin slower than if they had their arms tied into their body. Is that right? Exactly. This is the process that we are observing just on a very different scale. So for the whole Earth. A much larger scale. You've projected in a new paper published this week in the Proceedings of the National Academy of Sciences that days will get just a tiny fraction of a second longer by the end of the century. Just how much longer are we talking?