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Environment & Energy
In reply to the discussion: Sustainability is destroying the Earth [View all]immoderate
(20,885 posts)52. What is the benefit to consumers of paying for transmission from space?
We haven't even gotten to the benefits of distributed generation.
What I find bizarre, are the presumptions you make.
And if you can stand some education:
Platinum-group elements (PGEs) include platinum, palladium, rhodium, iridium, osmium, and ruthenium. PGEs are highly valued for their uses in industrial machinery, catalytic converters, and fuel cells ("What are strategic," 2011). Strategic fission elements are primarily uranium and thorium, as well as plutonium, which occurs as a byproduct of fission reactions ("Fact sheet on," 2011). Fission elements are most commonly used in the fuel and energy industries. Rare earth elements (REEs) consist of the lanthanide series of the periodic table, as well as scandium and yttrium. Although vital for the manufacture of electronics, chemical catalysts, lasers, and many other high-demand products, these minerals are often difficult to locate, mine, and purify ("Rare earth elements," 2011). The final strategic element, phosphorus, is very unique in that it is biologically essential. It is ubiquitous in fertilizers and necessary for all life.
http://web.mit.edu/12.000/www/m2016/finalwebsite/
The metals mentioned here are used in technology. They are rare and essential. (BTW, "weight in gold" was a joke, that you apparently missed.) Our need for most of these minerals could be satisfied for centuries by one minor M type asteroid.
Corporatist means collecting ROI. That's it.
--imm
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No, my heart goes out to them but at the same time I have no special knowledge or access and
haikugal
May 2016
#4
Why, then, suggest a project requiring orders of magnitude more energy than our current lifestyle?
muriel_volestrangler
May 2016
#13
The OP suggests that our current lifestyle, and ordinary remedies are unsustainable.
immoderate
May 2016
#15
Are you saying that you don't understand what's so hard about space travel?
muriel_volestrangler
May 2016
#16
A moment ago you wanted to expend energy in bringing water and raw materials from off earth
muriel_volestrangler
May 2016
#18
And the point is you have to expend energy to bring asteroids to earth
muriel_volestrangler
May 2016
#38
It's a reversible process. If you think of what you'd have to do to leave an earth orbit
muriel_volestrangler
May 2016
#41
OK, I think you've finally conceded that mining asteroids is an energy sink
muriel_volestrangler
May 2016
#43
I think I heard them suggested on a TV documentary about 35 years ago
muriel_volestrangler
May 2016
#47
Whereas your scheme for towing and mining asteroids would be done by a cooperative
muriel_volestrangler
May 2016
#49
Why should I pay a utility company to beam down microwaves to maintain EMF on a grid,
immoderate
May 2016
#55
Ordinary remedies are unsustainable, and extraordinary remedies are unachievable.
GliderGuider
May 2016
#31
OK. So the world will collapse in 30 years, then the population will double in 80?
immoderate
May 2016
#34