How Engineers Soundproof a New Underground Train Track
Season 50
Episode 1
About the Episode
Construction teams use springs to quiet the Elizabeth Line trains as they pass under a concert hall.
Aired:
| Expires: | Runtime: 2m 57s
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Extras
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How To Do A Video Interview | NOVA Science Studio Tutorial
Interviewing is one of the most important parts of creating compelling videos3:56 -
Giant Prehistoric Fungi Once Ruled the Earth
Fossils show that millions of years ago, 20-foot-high fungi grew on Earth.3:43 -
How Life Survived When Earth Was Covered in Ice
Hundreds of millions of years ago, Earth was encased in ice. How did life survive?3:06 -
Inside China's Tech Boom Preview
The inside story of China’s meteoric rise to the forefront of global innovation.0:30 -
What to know about the “Ring of Fire” Eclipse
The "Ring of Fire" eclipse is coming. Seriously, don’t look directly at it.0:46 -
Ancient Earth Was a Hellscape
For millions of years, Earth was a fiery hellscape, inhospitable to life.3:09 -
Ancient Earth May Have Had Red Oceans
On Ancient Earth, rust deep in the oceans played a critical role in the formation of Earth3:34 -
Ancient Earth: Humans Preview
How did Earth give rise to humans? See what made our species' existence possible.0:30 -
Ancient Earth: Inferno Preview
How did life bounce back after a cataclysmic extinction wiped out some 90% of all species?0:30
