5 live Science Podcast

BBC Radio 5 live

Science & Medicine, Natural Sciences

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Natural Sciences 160

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.


Time, lasers and opinion polls

September 18th, 2014

Episode 506 of 689 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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