How to Calculate Time With an Islamic Astrolabe
Season 50
Episode 2
About the Episode
The instrument only requires the observation of the sun’s position to begin making calculations.
Aired:
| Expires: | Runtime: 2m 38s
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Extras
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Introducing the NOVA Science Studio Program
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Colosseum: Roman Death Trap Preview
1500 years ago, how did the Romans engineer bloody spectacles and reenact sea battles?0:30 -
Ancient Earth: Frozen Preview
How did life survive on a planet covered in ice from pole to pole?0:30 -
Ancient Earth: Life Rising Preview
See how life made the leap to land, turning a barren landscape into a lush, green world.0:30 -
Ancient Earth: Birth of the Sky Preview
See how Earth transformed from a barren hellscape to a planet capable of sustaining life.0:30 -
Rare Fossil Appears to Show Mammal Attacking Dinosaur
Could a small mammal take down a dinosaur?3:26 -
The nation’s first big offshore wind farm is coming
The first commercial-scale offshore wind farm in the US is being built off Massachusetts.5:22 -
What Made the Titan Submersible Design Unconventional?
An international investigation into the fatal submersible implosion is underway.5:05
