Material World 13 September 2012: Social Media, Engineering, Voyager, Botany

from Material World · host BBC Radio 4

Material World this week is full of record breakers: an experiment involving 61 million people, an update on what is happening with the furthest-flung man-made object from Earth; the Voyager space craft, the largest botanical project ever completed - the Flora of Tropical East Africa and the biggest award for engineering - The Queen Elizabeth Prize.

Episode metadata supplied by the publisher feed · Published Sep 13, 2012

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Material World 13 September 2012: Social Media, Engineering, Voyager, Botany

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