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Roma Agrawal, an award-winning structural engineer, argues that seven of the worldâ€s most basic inventions have underpinned millennia of technological progress. Using personal anecdotes and historical stories about scientists and other innovators, she explains how humble devices including the nail, the spring and the magnet can be seen as the basis for such complex machines as spacesuits, suspension bridges and washing machines.EXTRA 20 % nuolaida
Kupono kodas: ENG20
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