Although the idea of a space elevator is one that may never take off, it is impossible to say what the distant future will bring. After all, many types of transport we use today once seemed like crazy concepts — and the space elevator may be more feasible than the EmDrive.

And of course, the payoff, if it were to work, would be enormous.

Let's take a look at 15 facts about the concept of the space elevator to see why some people believe this technology is worth exploring.

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