Three moments that changed the world | Roma Agrawal | TEDxRoyalHolloway

Structural Engineer Roma Agrawal tells us the stories of three ordinary people who decided to try to solve seemingly small problems that they encountered in their everyday lives. Little did they realise that their ingenious solutions would revolutionise the world around us, changing how we live our lives forever.<br />

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Jo Foster
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Sep 5, 2016

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