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Posts Tagged ‘light

Watch “TEDxColumbus – Randy Nelson – The Dark Side of Light” on YouTube

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Written by sunupradana

November 19, 2011 at 1:49 pm

Watch “TEDxCLE – Chris Clark – Electricity as a Basic Right” on YouTube

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Posted from WordPress for Android

Written by sunupradana

July 13, 2011 at 12:10 am