Our Changing World for Thursday 23 May 2019
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Fluorine - the non-stick element
8:00 AM.Fluorine is a highly toxic green gas that is the main ingredient in non-stick teflon coatings. In ep 27 of Elemental, Prof Allan Blackman from AUT, says that fluorine has very different properties… Read more Audio
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Our Changing World for 23 May 2019
9:05 PM.Southlanders are rolling their Rs more - and less - than 100 years ago, and the chemical element fluorine. Audio
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The Southland accent - a rolling change
9:06 PM.The Southland accent has a distinctive burr, and new research is revealing how those 'rolled Rs' have changed over time. Read more Audio
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Francium - final naturally-occurring element to be discovered
8:00 AM.Francium was the last naturally-occurring element to be discovered and has never been seen, says Prof Allan Blackman from AUT in ep 28 Elemental. Read more Audio
