What I Wish I Knew a Year Ago About retangular prisim

https://www.evernote.com/shard/s589/sh/d4414974-5dfb-4493-ab00-248f0bda08ba/e08d4aaeb6f207fdbdd2bc2a8bba3b1e

Goldbarth’s most recent supplying phone calls to head that old tin spinning toy that radiates sparks when you drive the bottom together with your thumb: kinetic, tactile, stunning, entertaining.