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instamatic on '2040’s America will be like 1840’s Britain, with robots?' (Oct 31, 2014)

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Rick Searle on '2040’s America will be like 1840’s Britain, with robots?' (Oct 31, 2014)

Peter Wicks on '2040’s America will be like 1840’s Britain, with robots?' (Oct 31, 2014)

Rick Searle on '2040’s America will be like 1840’s Britain, with robots?' (Oct 31, 2014)

Peter Wicks on '2040’s America will be like 1840’s Britain, with robots?' (Oct 31, 2014)







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Comment on this entry

Is Our Time in Outer Space Finally At-Hand?


David Brin


Contrary Brin

May 09, 2012

Obayashi Corp has announced it will construct a space elevator capable of shuttling passengers 36,000 kilometers above the Earth by 2050.


...

Complete entry


COMMENTS



Posted by hdufort  on  05/09  at  09:56 AM

Why don’t we build a magnetic catapult first (space gun, mass driver)? The technology is much more accessible right now and the project could be scaled up, from a low-capacity prototype (let’s say, a 500kg “upper stage” with a 100kg payload). Getting rid of toxic rocket fuel would certainly help us lower the costs and environmental impacts of space exploration.

A mass driver with high-acceleration profile would be cheaper to build but unsuitable for transporting humans. A model with a more gentle acceleration profile could then be built for delicate cargo and humans.

As for a space elevator…  if we could build a “non-solid” tether to maintain a capsule aligned, then we could use the “pulsed plasma” technology (laser bursts) to push the capsule up to a space “terminal” up there, or at least to the upper atmosphere.





Posted by hankpellissier  on  05/09  at  12:11 PM

I like David’s last suggestion here:  “Brain boosts. Smart pills.  For everybody. (oh, please!)  If we can get those, without major side effects, then maybe… just maybe… those stars.”

great idea.





Posted by iPan  on  05/09  at  05:45 PM

We’ll be post-singular before 2050.






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