My shirt is from this quarter’s CURIOSITY BOX: br MY TWITTER: br MY INSTAGRAM: br br Thanks to Mitchell for the jack-in-the-box! br br 3Blue1Brown: br br 3Blue1Brown fractal dimension video: br br Mathologer video: br br Distance to horizon calculator: br br Earth curvature calculator: br br US cross section: br br Scott Kelly ISS earth pic: br br names of large numbers: br br Earth’s surface fractal dimension: br br Improbable research pancake study: br br State flatness paper: br br Mental floss article on flat states: br br Lake Islands: br br XKCD What If? bowling ball Earth: br br West Virginia map: br br Is Earth as smooth as a billiard ball? br br WPA rules: br br Billiard ball surface scan paper: br br What state people think of as flat: br br Roche limit:br br br br br br Hey What’s That? br br Field of view: br br Angular diameter: br br Spherical cap calculator: br br amount of sphere seen from distance calculator: br br seeing Earth as a disc: br br how high to see the curvature of Earth? br br Earth from moon pics: br br Star magnitude calculator: br br Star distances: br br list of stars with resolved images: br br 2d figures by mebr br 3d animations by Eric Langlay br br Music from Jake Chudnow: br and Audio Network: