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Episode 1725 min

How does a dam hold back a river?

Stand at the base of the wall and look up — millions of tons of water pressing on concrete that never sleeps. Follow the five-thousand-year story from ancient stone walls to the Hoover Dam: the physics of pressure, the elegance of the arch, the men who moved a river to build it. A gentle, monumental journey, told to drift off to.

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Take your time. The story starts when you’re ready.

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

Episode artwork for How does a dam hold back a river?

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.

Whenever you're ready

Something to wonder about.
Nothing to keep you up.

Find a comfortable corner. Let the day get a little quieter.
We’ll take it from here.