All episodes
Episode 2526 min

How Glass is Made From Sand

Look through your window: it's made of sand, heated until it forgot how to be a crystal. Tonight: the frozen liquid that scientists still argue about, the 2,600-year-old recipe written in code, the vase smashed in 1845, and the inventor beheaded by Tiberius. Just long enough to fall asleep to. 🌙

Listen here

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

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

Episode artwork for How Glass is Made From Sand

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.