/u/[deleted]'s posts in /r/askscience
I wear glasses for distance, but if I look through a tiny hole in my fist, I can make things come into focus. What's going on?
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This is probably an easy one to answer: When calculating work done, why do you need the angle in the equation W=F*d*cos(theta)?
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Are there any cosmic phenomena or observations of space that could be signs of artificial constructs or extra-terrestrial activity?
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