... recycle ... suit<http://www.boston.com/business/articles/2008/05/18/recycling_lags_behind_compact_fluorescent_push/>, ... bulbs back ... is less ... that ...
... to ... Some US ... suit<http://www.boston.com/business/articles/2008/05/18/recycling_lags _behind_compact_fluorescent_push/>, ... event ... fifth the ... ...
With the incredible advances in solar voltaics and the discovery of better conducting materials, power will never be expensive again. This also bodes well for...
You Are So Right Jerry !!! We Are Prisoner's to Profits, like Fiefs or Serfs... It's To Bad Tesla Didn't have another 20 or 30 yrs to live, We'd be tapping...
... logistics of the move is puchasing a solar power "strip" to put outside somewhere to get your electricity to run your household. That day is now....
Good panels are up to 15-watts/sq.ft., 60-knot wind load, 25-year warrantee where you can use them, the shingles aren't as efficient but it's all in how much...
mallard
mallard@...
Jun 3, 2008 3:07 pm
2219
... receivers on ... Massive = Expensive. A less massive and therefore less expensive alternative is a system of space mirrors to reflect sunlight down to ...
NASA IG Says Agency Erred In Suppressing Global Warming Info <http://www.aero-news.net/index.cfm?contentBlockId=05471471-639b-421a-bc41-ef464814e7fe>from ...
Our Own Worlds Colonizing Mars or earth's moon are challenging goals but they distract us from any good focus on asteroid/comet mining, building our own worlds...
I'm sure that the first step is to create fully reusable heavy lift launch vehicles, or else none of the other things will happen. Let us do that first. Jason...
May I say something. Suppose the road is to start little and progress upwards as we get experience. The Wright Brothers didn't build a 747, or an airport, or...
Cygo's philosophy is to go where the talent is. The proven taskmasters so far are NASA and the RSA. New launch concepts are not likely to be of any interest...
Well, Everybody thought that the shuttle, back in the 70's, would lead to SPS and huge O'Neil cylinders. Didn't happen. Orion isn't reusable. That is the...
Whatever happened to the winged, horizontally launched rockets from the 1950's sci-fi movies like "When Worlds Collide"? The first stage was a rocket-powered...
Maybe; but Rams & Scrams Require Massive Amounts of Fuel;,, I Think Jerry was/is Onto Something, with (helium balloon) "Jump Off" platforms, just below the...
OK, my bad. I re-read the Group Description. I now get the connection between this thread and the Group: mining of the outer rings of Saturn. Jolly Roger...
As the ISS is the closest thing we have to a Space City, I thought this may be of interest to some of you. =============== From: http://spaceweather.com...
Have you considered using MHD effects to reduce drag on the lower atmosphere part? I'm into boundary layer manipulation and know it could be very useful if...
Paper with 230 Mpa strength? Wow. Could it work? The Imminent Arrival of the Space Elevator If you haven't already read the IEEE Spectrum article on Space ...
Hot stuff ... My curiosity is since it's basically a film when done, that it can then be formed and bonded as layers ... sounds good for layering, and if...
As I commented over on the Space Elevator group, 230 Mpa is strong for paper, but Kevlar is ~3,000 Mpa, and even that is not stong enough for a space elevator....
Paper can be made many ways, if you blast these fibers into a mold and set them with epoxy instead of making a thin film of paper, they'll be cheap and strong....
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