Most people have no clue what a bicycle looks like, much less how one works, even if they own one. http://www.liv.ac.uk/~rlawson/PDF_Files/L-M%26C-2006.pdf …
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Replying to @Meaningness
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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Replying to @Meaningness
@Meaningness I remember being mystified as a child about how can openers work.1 reply 0 retweets 0 likes
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