Space Elevators
Everything Everywhere Daily: History, Science, Geography & More
Gary Arndt
4.7 • 2.3K Ratings
🗓️ 1 August 2023
⏱️ 14 minutes
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| 0:00.0 | You've probably seen footage of a rocket launch. There's a bunch of smoke and fire as the rocket lifts off to begin its flight to achieve an altitude in velocity, which will get it into orbit. |
| 0:09.0 | It works, but it requires a lot of energy to even get a small amount of mass into Earth's orbit. |
| 0:14.0 | But what if there was a way to travel into space that didn't require a rocket? |
| 0:19.0 | What if going into Earth orbit could be just as easy as going up to the top floor of a skyscraper. |
| 0:23.4 | Learn more about space elevators and how they could revolutionize space travel |
| 0:27.6 | on this episode of Everything Everywhere Daily. Book your ticket to happiness with Sun Express Airlines. Getting into orbit is not easy. |
| 1:05.0 | If you remember back to my episode on the rocket equation, |
| 1:09.0 | in order to get a kilogram of anything into Earth orbit |
| 1:12.0 | requires a lot more than a kilogram of anything into Earth orbit requires a lot more than a |
| 1:13.8 | kilogram of fuel. You need a rocket and then you need some fuel but then the fuel |
| 1:18.2 | needs to be sent to loft which requires more fuel and then that fuel needs fuel |
| 1:22.0 | and so on and so on. The end result is that you |
| 1:24.8 | need a big rocket to send something relatively small into orbit. Rockets are expensive, |
| 1:30.5 | dangerous and they can only be built so large. |
| 1:33.0 | They're fine for putting something like a communication satellite into orbit, |
| 1:36.0 | but if humanity wanted to do something much larger, |
| 1:39.0 | like create massive rotating space stations |
| 1:42.0 | or send humans to planets around other stars, |
| 1:44.8 | we'd probably need something else. |
| 1:47.2 | But how? |
| 1:49.2 | If you remember back to my episode on how satellites work, |
| 1:52.4 | putting something into orbit |
... |
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