Hello there, welcome to the 'pedia! I hope you like the place and decide to stay. If you need any questions answered about the project then check out Wikipedia:Help or drop me a line. BTW, I removed the exclamation point you added in the Free content article; although your Freeware comment is very useful.Cheers! --maveric149
Re: your message on my talk page.
- Great to have you back! --maveric149
Have a little question for you. In the article Space elevator under the heading "Materials" there is the following sentence: With Space Elevators like this, Humans can send materials into orbit at a fraction of the current cost (from around $30000 today to $3 per kg, a factor of 104!).
You added the numbers. Could you tell me from what source you have the figure $30,000? I guessed you had the $3 per kg with a space elevator from the webpage of NASA which was the only webpage in the article when you added those numbers. But when I went to this webpage http://flightprojects.msfc.nasa.gov/fd02_elev.html I couldn't find the number $3 per kg. In the pdf on that webpage I found "<$10/kg" and also a cost only based on the energy consumption of this type of space elevator "$1.48/kg".
Could you please tell me the sources where you got those numbers from? If there's no year with them telling in what year the estimate was made in a few years they won't be very useful anymore because of inflation. Moreover conventional ways of launching to geosynchrous orbit could become much cheaper as well.
Thanks a lot in advance, Laudaka 04:26, 15 Feb 2004 (UTC) (Paul/laudaka)
Thanks for asking. I'll put the answer to your talk page. --David Andel 23:52, 22 Apr 2004 (UTC)
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Your user page
Hello, I found your user page while doing some wikiarchaeology. . I have restored all of its earliest surviving revisions from old copies of the Wikipedia database, so they are available to everyone now. Hope you don't mind. Graham87 05:27, 30 November 2013 (UTC)