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How to make your own eyeglasses for about one pound: an Oxford technology created to benefit the developing World

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Duration: 0:31:13 | Added: 27 Mar 2014
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How to make your own eyeglasses for about one pound: an Oxford technology created to benefit the developing World
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Duration: 0:31:13 | Added: 27 Mar 2014
Professor Joshua Silver talks about his invention of the self adjusting spectacles.
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