A to Z: How Writing Changed the World Promo
Season 47
Episode 14
About the Episode
Just as handwritten records changed how societies work, the printing press transformed the spread of information, igniting the Industrial Revolution. How did technologies–from pen to paper to printing press—make it all possible?
Aired:
| Expires: | Runtime: 26s
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Extras
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Dino Birds Preview
Fossils reveal how birds survived the killer asteroid and became today’s only living dinosaurs.0:29 -
Extreme Airport Engineering Preview
Follow the race to build a world-class airport on the site of one of America’s busiest flying hubs.0:30 -
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How Atomic Clocks Keep Perfect Time
Atomic clocks use quantum physics and the resonant frequency of atoms, like cesium, to define time.2:15 -
The Most Baffling Idea in Physics, Explained
Quantum entanglement defies our everyday understanding of reality.3:33 -
What Happens to Your Body During a Speed Eating Competition?
Competitive eaters stretch their stomachs beyond limits. Here’s what happens inside their bodies.5:16 -
Why Hot Peppers Set Your Mouth on Fire
The chemical that makes chili peppers so hot evolved to keep animals from eating the plants.4:02 -
Flight Turbulence Is Actually Getting Worse
It’s not all in your head - flights really are bumpier these days.1:48 -
Hunt for the Oldest DNA: Extended Version
Follow the quest to recover DNA millions of years old for the very first time.1:24:39 -
Lost Tombs of Notre Dame Preview
Mysterious bodies are found under one of the world’s most famous cathedrals.0:30
