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On the latest edition of Dr Karl, how your microwave oven can interfere with your home Wi-Fi. How to control the Flow of Heat, with layers just atoms thick. And does caffeine dehydrate you?
By BBC Radio 5 Live4.5
107107 ratings
On the latest edition of Dr Karl, how your microwave oven can interfere with your home Wi-Fi. How to control the Flow of Heat, with layers just atoms thick. And does caffeine dehydrate you?

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