I have fallen in love with the subject of our first piece in this show – John Mainstone, the guardian of the pitch drop experiment – the longest running science demonstration in the world. Michael Rhee has that story from Australia. And if you’ve got a lot of time on your hands, you can watch the pitch drop experiment in real time here. Also in this episode, producer Stephanie Coleman breaks down the lightning-quick chemistry inside an airbag. Bang!

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If you, too, can’t get enough of John Mainstone, check out this video produced by our reporter, Michael Rhee.