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Episode 0832 min

How We Keep Time Without Losing a Second

From vibrating quartz to clouds of atoms, discover the quiet comparisons that help all our clocks agree.

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Settle in. There’s nothing you need to remember.

Episode artwork for How We Keep Time Without Losing a Second

A note before you listen

Welcome back, my sleepy friends. Get comfortable, let your breathing slow, and follow along for as long as you like. If you drift off somewhere along the way, the story will keep you company.