this post was submitted on 07 Nov 2024
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What about the moon? Surely not...
Well, ultimately space elevators are the most energy efficient way to escape Earth's gravity well. And once we have one of those, mind as well build a mass driver at the top so rockets don't have to carry so much of their own mass. Then we can build a laser-based photonic sail on the other end to decelerate the cars and make them even lighter/faster, and then build track at the bottom...
Train.
What about interstellar travel?
Well, ultimately wormholes are way more efficient than any subluminal travel once the infrastructure to build them is in place: https://www.orionsarm.com/eg-article/48545a0f6352a
So we control traffic on each side carefully. In fact, we could just suspend a really strong wire on either end...
Yep. Train.