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Old Dec 3, 2003, 10:33 pm   #3 (permalink) (top)
Aequo
Igneous Magma
 
Posts: 237
Manned space missions have also brought many now-common items, such as joysticks and laser surgery, among others ( http://aerospacescholars.jsc.nasa.gov/HAS/...cirr/ss/3/5.cfm ).

As the resources available on Earth are finite, and recycling can only work to a point, we will at some point have to turn to space-based resources, such as mining asteroids and solar power collected via satellite. Space colonization may not be as expensive as you think ( http://www.aleph.se/Trans/Tech/Space/mars.html ), and the benefits are many. Trade with the colonies and the technologies derived could prove quite valuable to Earth, as well as materials produced and shipped back, which could even pay for the venture itself.
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