Episode

5 live Science Podcast

BBC Radio 5 live

Science & Medicine, Natural Sciences

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Natural Sciences 95

5 live's science podcast, featuring Dr Karl, plus Dr Chris and Naked Scientists Chris Smith and Kat Arney with the hottest science news stories and analysis.

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Time, lasers and opinion polls

September 18th, 2014

Episode 506 of 680 episodes

Dr Karl answers your science questions, including why a laser will de-luminate luminous material, what time is, and how opinion polls work.

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