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Ha, that's awesome. I was going to suggest something similar... just put the bowling ball at one end and if you can see the whole thing at floor level at the o
by damon_c 12y ago
Ha, that's awesome.
I was going to suggest something similar... just put the bowling ball at one end and if you can see the whole thing at floor level at the other end, it's straight, else it's curved.
- ctdonath 12y agoKey is "whole" thing. If curved, a 4 cm ball (say, cue ball?) would not be visible at all.