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[Elevators to the Stars: The Future of Space Exploration]-[An Elevator To The Stars!]

Wow in the World · B1 · 2018-12-17

Preschool Enlightenment
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📋 Summary

The Concept of the Space Elevator

In this episode of Wow in the World, Mindy and Guy Raz embark on an adventure to explore the fascinating scientific concept of a "space elevator." Inspired by the architectural brilliance of the Eiffel Tower, the idea was originally proposed by Russian scientist Konstantin Tsiolkovsky in 1895. Unlike traditional rocket-based space travel, which is incredibly expensive—costing roughly $43,000 per pound of cargo—a space elevator offers a revolutionary, cost-effective alternative. Scientists at the Japan Aerospace Exploration Agency (JAXA) estimate that this technology could reduce transport costs to as little as $100 per pound, potentially transforming how we supply the International Space Station and beyond.

Engineering the Impossible

To build a structure capable of reaching 60,000 miles into space, engineers propose using a "carbon nanotube composite ribbon." This material is described as being exceptionally strong yet lightweight, serving as a tether between a platform on Earth and a satellite orbiting in space. The design functions similarly to a simple communication device made of "two tin cans with a piece of string between them," but on a massive, astronomical scale. While the project is ambitious, researchers at Shizuka University are actively working toward an operational goal by the year 2050.

Testing in Microgravity

To prepare for this monumental feat, JAXA is currently conducting preliminary tests in space. They have deployed two mini-satellites connected by a 10-meter cable to simulate the mechanics of the elevator. The goal is to move a "mini elevator car about the size of a matchbox" back and forth along this tether. This experiment is critical for understanding how such a system will function in low-gravity environments, ensuring that the engineers can work out the "kinks" before attempting to construct the world’s longest structure.

An Immersive Musical Experience

Throughout the episode, the hosts highlight the unique culture of "elevator music." They visit a building in downtown to listen to an exclusive album by a band called The Elevates, whose music is specifically composed for the future space elevator. The band even hosts a concert titled "Making Space," which Mindy jokingly notes is scheduled to last "seven and a half days," reflecting the grand, long-distance nature of the space travel they are celebrating. Through humor and curiosity, the episode successfully bridges the gap between everyday mundane experiences—like riding an elevator—and the cutting-edge future of interstellar exploration.

🎯Key Sentences

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It's going to be a November to remember.
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But for now, let's get on with the show.
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I'm pretty sure it's the only elevator music magazine in America.
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Such a time saver.
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I better get going.
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📝Key Phrases

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music to your ears
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get on with the show
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can I interest you in
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in the meantime
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hold the phone
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📖 Transcript

Grownups, Wondery Plus subscribers can listen to Wow in the World early and ad-free right now.
Join Wondery Plus in the Wondery app or Wondery Kids Plus on Apple Podcasts.
Hey, Wowzer fans, Mindy here.
And before we start the show, I gotta let you know that this November, with a special new episode featuring our friends at Circle Round and Terrestrials on Radiolab for Kids,
And don't miss when Elmo from Sesame Street stops by Wow in the World to make us all belly laugh on November 24th.
Oh, but that's not all, Reg.

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