In reply to OrionWorks's message of Wed, 13 Sep 2006 10:38:11 -0500: Hi, [snip] >From my perspective it seems conceivable that fast and efficient "EM Drives" >could open up commercial space exploration of the asteroid belt, where >everyone knows that's where the next Gold Gush is likely to exist in the form >unlimited raw materials just waiting to be mined. > >Sometimes I wish I was 20 years old again.
While true that the asteroids will one day be mined, I doubt the resultant products will come back to Earth. No point. We have more than adequate raw materials here already. We just need cheap energy to recycle them, and also to make low grade ore deposits economical. Regards, Robin van Spaandonk http://users.bigpond.net.au/rvanspaa/ Competition provides the motivation, Cooperation provides the means.
