Tadashi is back with more mathematical toys - this time small tubes which do intriguing things when they spin. More links & stuff in full description below ...
========== I brought a little tube whose ends have been colored black and orange and I'm going to launch it into spin and it will spin around the middle and because it is spinning around the middle a priori, there is no reason why you would see black better than orange orange better than black. Ok, but now when I launch what do we see? We see black. And every time we seem to be seeing black. That's really funny. We seem to be seeing, be seeing black but you don't like black, I'm going to shake it and launch it and now we'll see orange instead. That's really curious. It's not a matter of launching from right to left because I can launch it with my left hand and it's still orange. After all, you don't like orange then so I'm going to rub it against my b...