He builds even things that are just just for whimsy, a flame throwing, sorry, a rocket-powered frisbee chair elevator that takes him from the backyard of his home down to the lake on the property. He built this button in his kitchen, I guess, that if you pushed it, an index finger in his workshop would curl and make a little noise so that he knew that he was being summoned. I mean, thing after thing like this where there's a clear sense that he isn't just going to be a machinist and he's not just a mathematician. He manages to blend the two in some really interesting ways. I love the story about his work during the war and how the math was kind of simple and repetitive. But what made it so great for me and what it reminded me of is when I was a kid, I grew up with the personal computer. We got Apple computers in our elementary school in like third grade and there was different games like Oregon Trail. And there was one in my... Oregon Trail is a classic that's a defining thing in my childhood. Yeah, and that's one of the, you know, that I maybe lemonade stand or the two that I could really remember looking back. And then this talk about his work, Shannon's work in the world war, I guess it was World War II reminded me that we used to play a game called Artillery where it's just like you had a target and you had a gun and you had to kind of calculate the angle and maybe the... Well, I forget that there was just a few variables.