Why instead of launching rockets from the ground, we don’t build a high platform above the sky and launch from there?
In: Earth Science
The concept you’re asking about is usually called a [space elevator](https://en.wikipedia.org/wiki/Space_elevator) and was first suggested way back in 1895.
It’s theoretically a conceptually sound idea. The main problems are practical engineering problems. For a space elevator on Earth, you’d need to build it out of a very strong, very light material. Which we simply don’t have.
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