People think they understand how can openers work, but are shocked to discover they don’t, when asked to explain: http://www.sciencedirect.com/science/article/pii/S0364021302000782 …
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Political opinions are due to mistaken belief that one understands policy issues: http://scholar.harvard.edu/files/todd_rogers/files/political_extremism.pdf … via
@gwern - 3 more replies
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@Meaningness@Awbery@emareaf Advantage of American method: remove bottom lid of tomato paste, push top lid through can. - 2 more replies
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@Meaningness Even much simpler things like clothes-pegs incite many difficulties when ppl are asked to draw them...Thanks. Twitter will use this to make your timeline better. UndoUndo
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