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Messages 8246 - 8277 of 9009   Oldest  |  < Older  |  Newer >  |  Newest
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8246
Is WIKIPEDIA the "only place to find out what an orbital ring space orbit would cost? Phxrizn@... **************Biggest Grammy Award surprises of all...
JourneyPS@...
phxrizn
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Mar 2, 2008
1:14 am
8247
... Well, there seems to be a reference. ... -- -Ian Woollard We live in an imperfectly imperfect world. If we lived in a perfectly imperfect world things...
Ian Woollard
wolfekeeper
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Mar 2, 2008
2:45 am
8248
No. One should go back to Paul Birche's orginal paper. This can be found at http://www.paulbirch.net/. Refer to "OrbitalRings-II-13" Look in section 6.2...
Herbert Murray
hcm1955
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Mar 2, 2008
1:41 pm
8249
Myself not having time to read the entire paper page for scanned page, can anyone who has try to answer these questions: - How does he justify the 10 G$ figure...
Andreas
awnd329
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Mar 3, 2008
10:58 pm
8250
Hey whats with all the ideas of impossibility?! how about some ideas that would help make this thing possible to make. Lets start giveing ideas that will help...
weresirhc
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Mar 4, 2008
3:38 pm
8251
When ideas are abundant and resources to act on them scarce, rejecting bad ideas can be more productive than creating new ones. Andreas...
Andreas
awnd329
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Mar 4, 2008
7:58 pm
8252
From: http://www.iop.org/EJ/abstract/0957-4484/18/45/455709/ "Abstract. This paper reports on oriented poly(vinyl alcohol)/single- walled carbon nanotube...
Herbert Murray
hcm1955
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Mar 16, 2008
4:20 pm
8253
So, really this says they managed to increase the strength of PVA to about 880 MPa; which isn't *that* exciting. And it sounds a bit fishy, why didn't they try...
Ian Woollard
wolfekeeper
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Mar 16, 2008
5:00 pm
8254
I misunderstood, then the tape will not a take a load of 88Gpa? Bert ... alcohol)/single- ... mild ... as a ... cast ... drawing. ... of the ... strength of ...
Herbert Murray
hcm1955
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Mar 17, 2008
3:09 am
8255
... No, definitely not. They're referring the strength increase back; but I don't think that that is necessary valid- composites often have different...
Ian Woollard
wolfekeeper
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Mar 17, 2008
3:53 am
8256
... Yes ... or even if it were just a DVD. I was beginning to be excited for a moment, too, but the words "as high as" jumped out at me, along with the...
csceadraham
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Mar 20, 2008
6:07 pm
8257
... [snip] ... There are 200 yard Kevlar ropes on sale. <http://www.pelicanrope.com/new03.htm> Google for ropes made out of a. Aramid (Kevlar or Twaron) b....
Andrew Swallow
am4987
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Mar 21, 2008
3:04 am
8258
... Following this suggestion for Twaron, I'm led through Wikipedia to a good article here: http://www.cranestodaymagazine.com/story.asp?storycode=2047050 It...
csceadraham
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Mar 22, 2008
5:29 pm
8259
A new article about the elevator wobbling: http://space.newscientist.com/article/dn13552-space-elevators-face-wobble-problem.html...
karikarhi
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Mar 28, 2008
5:20 pm
8260
The NSS team just finished a very busy weekend, where we demonstrated our prototype climber for BBC Science. A video showing one of the climbs can be seen at: ...
Herbert Murray
hcm1955
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Apr 10, 2008
4:56 pm
8261
... Congratulations. I found the video to be very intimidating. ;) It makes me feel like a calendar just hit me over the head. Brian Turner Captain KC Space...
blturner3
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Apr 11, 2008
4:23 pm
8262
Don't get too intimidated, we have a long way to go between now and September. ... Bert...
Herbert Murray
hcm1955
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Apr 11, 2008
9:49 pm
8263
If Wikipedia is the best you can do, then the basis for discussion is, well... nonsense. Any clown can put almost anything in Wikipedia, any other clown can...
robert owen
craig_holm
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Apr 14, 2008
12:55 am
8264
... Wikipedia is the only encyclopaedia that is not 10 years out of date. When your best argument is that the source is Wikipedia then you have lost. Andrew...
Andrew Swallow
am4987
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Apr 19, 2008
11:35 pm
8265
Wikipedia is NOT a source. In my experience, however, Wikipedia provides the richest and most accurate treatment on the Web for almost any subject....
Andreas
awnd329
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Apr 21, 2008
3:17 pm
8266
Instead of debating the authenticity of Wikipedia, why not discuss and provide feedback to the orginal work Please refer to: http://www.paulbirch.net/. Refer...
Herbert Murray
hcm1955
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Apr 25, 2008
8:51 pm
8269
Per Birch's Orbital Rings 1 -11( http://www.paulbirch.net), each meter of the ring will weigh about 8 kg ( 17.5 pounds). An Orbital Ring at 600 Km (360 miles)...
Herbert Murray
hcm1955
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Apr 27, 2008
4:22 pm
8270
... The statistics on research shows that only about 1 in 20 projects succeed. So it's a really bad idea to hang an expensive project on it, in the hopes that...
Ian Woollard
wolfekeeper
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Apr 27, 2008
4:24 pm
8271
So we should not even try because we will probably fail. I agree that, that type of thinking we will lead to failure. Or we could study other mega projects,...
Herbert Murray
hcm1955
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Apr 27, 2008
5:59 pm
8272
From the Rotunda of the Administration Building for Panama Canal: "It is not the critic who counts, not the man who points out how the strong man stumbled, or...
Herbert Murray
hcm1955
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Apr 27, 2008
6:22 pm
8273
... Nah, the necessary CNT cable just doesn't exist right now. *Nobody* has any way to build a 1 mm diameter cable that is even 30 cm long of the necessary...
Ian Woollard
wolfekeeper
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Apr 27, 2008
9:43 pm
8274
Let me push this discussion a little further with a challenge: Is anyone on this list up to discuss SE economics in a good presentation or the workshop in...
hml
datarimlens124
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Apr 27, 2008
11:37 pm
8275
The Birch design doesn't require CNTs, it can be done with today's materiel, that is the point of the concept. The drawback is it is a more complicated system....
Herbert Murray
hcm1955
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Apr 28, 2008
4:33 am
8276
From a New Scientist article: http://technology.newscientist.com/article/dn13771-simple-superlens-sharpens-focusing-power.html This could help with the beamed...
karikarhi
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Apr 28, 2008
12:19 pm
8277
... Unfortunately not. Unless you were planning on a lens >~1000 km across... these kinds of lenses only work in the 'near field' where the lens is positioned...
Ian Woollard
wolfekeeper
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Apr 28, 2008
7:47 pm
Messages 8246 - 8277 of 9009   Oldest  |  < Older  |  Newer >  |  Newest
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