Broadcasts
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BBC Radio 4Wed 7 Oct 2009 11:00 BBC Radio 4
LISTEN 
Prof Winston on the logic, engineering and physics underlying the musical sounds we hear.
Wed 7 Oct 2009 11:00 BBC Radio 4
Martin Wainwright rummages around in his own private scrap yard at the bottom of his garden, looking for bits of metal to help him find the true worth of scrap.
As a child in Yorkshire he remembers the piles of metal left on the pavement for the rag and bone man, but discovers that today's industry is a global one. Encouraged by the high value of metal, Martin takes his assortment of scrap to a local scrap yard for weighing and valuing, and embarks on a journey which will follow scrap to the other side of the world.
A Pennine production for BBC Radio 4.
BBC Radio 4Wed 7 Oct 2009 11:00 BBC Radio 4
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