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Should we tax or subsidize research into time travel?

Would time travel be a good thing for the world? Or would it wipe out our universe, creating a new timeline in which you and I might not even have been born? And as a result, should the government be supporting or hindering time travel research? That's the dilemma that econo-blogger Tyler Cowen struggles with, over at… » 1/14/11 7:00am 1/14/11 7:00am

Worried About Interplanetary Trade Agreements?

We may not have interplanetary travel for humans yet, but it's never too early to start dealing with problems related to interstellar trade and solar system stock market crashes. That's why textbook publisher Routledge has a journal called Astropolitics, whose latest issue features an in-depth scholarly article on… » 3/06/08 3:25pm 3/06/08 3:25pm