[ClearCase_guy]

They say that about the Space Elevator concept too. If we could solve some (non-trivial) problems, the Space Elevator would allow us a cheap and reliable way to get material into orbit. It would be a game-changer.

But people always say "You can look for those to become terrorist targets". I just never understand that kind of thinking.

[CitizenUSA]

“But people always say “You can look for those to become terrorist targets”. I just never understand that kind of thinking.”

Agreed. Amazingly enough, America once built the Hoover Dam (and it didn’t take a generation). We don’t do that anymore.