[definetheword]

"I said the physics works. The engineering is a totally different question."

So if the engineering is questionable or unrealistic, how is it less fanciful?

[paledot]

In 50 years or 100 years, there might be a launch loop. There will never be a launch centrifuge, not in 50 or 100 or 1000. Fluid dynamics simply don't allow objects to move that fast at ground level.

0.000000000001 > 0