Up Next
Back to Show
NOVA
Is Electricity Instant? A Shocking Experiment from 1746
How fast does electricity move – and why? In 1746, a French physicist electrocuted a large group of monks to learn about electricity, and he concluded that it moves with “infinite speed.” That wasn’t quite right, but it would take decades to figure out the real answer and its reason.
Support Provided By
Unlock with PBS Passport
53:40
Archaeologists investigate the dramatic origins of democracy in ancient Greece 2,500 years ago.
53:08
Follow the Artemis mission to bring humanity back to the Moon for the first time since Apollo.
Unlock with PBS Passport
53:25
Surprising evidence at the world’s oldest temple overturns our understanding of human history.
Unlock with PBS Passport
53:39
New evidence sheds light on the remarkable life—and mysterious collapse—of the ancient jungle city.
Unlock with PBS Passport
53:31
What if violent asteroid impacts actually jump-started life on Earth? Explore a dramatic theory.
Unlock with PBS Passport
53:41
See how ingenuity and teamwork keep the crew alive and doing science 250 miles above Earth.
Unlock with PBS Passport
53:40
Astronauts and Mission Control relive terrifying moments during construction of the ISS.
53:28
Find out why deadly flash floods are on the rise and how we can protect ourselves from them.
53:21
Explore mysterious 9,000-year-old Stone Age megastructures found in the Arabian Desert.