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"The traditional mathematician recognizes and appreciates mathematical elegance when he sees it. I propose to go one step further, and to consider elegance an essential ingredient of mathematics: if it is clumsy, it is not mathematics." Edsger Dijkstra Tweet this quote

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Did you know? Mass of Pedal Harp (orchestral instrument) (36 kg) is 2 x Mass of a typical microwave oven (18 kg) Tweet this comparison

Forest in Saudi Arabia

Forest in Saudi Arabia (2011) (0 km^2)

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