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September 17th, 2007, 04:29 PM
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#1 |
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Lovable, but not too lovable
Join Date: Jul 2000
Location: The true north, strong and free.
Posts: 2,316
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Earth to Mars In Just One Week?
Check out what the fine engineer is promising us!
http://www.photonics.com/content/new...r/7/88894.aspx |
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September 17th, 2007, 04:40 PM
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#2 |
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Join Date: May 2005
Location: Some unclosed sector
Posts: 4,663
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How unnervingly Trek-esque..
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September 17th, 2007, 04:47 PM
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#3 |
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Keen For Life
Join Date: Apr 2003
Location: Clinton, UT
Posts: 6,253
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Very cool. I didn't see anywhere, but what fuel is used for the energy? I've heard of similar things before that are powered more or less by a large solar "sail" that collects light with mirrors and focuses it to a single laser beam--I wonder if that is what this is a part of.
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September 17th, 2007, 04:47 PM
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#4 |
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Join Date: Jun 2006
Location: HYPERPOWER!
Posts: 1,793
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Wheej!!!!!! This is a good thing. And it's pretty cool.
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September 17th, 2007, 07:30 PM
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#5 |
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Join Date: Jul 2001
Location: The frozen wastes of Quan'ideery
Posts: 9,097
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It's electric. You can power it with whatever you want but on a spacecraft it's probably gonna be fuel cells, radioisotope thermoelectric generators, real nuclear reactors or photovoltaic cells.
Some solar sail concepts do indeed propose giant solar-powered lasers to push the sail, but you can use the sunlight for those too. This thing is just a fancy laser-powered thruster though. Pretty sweet stuff.
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September 17th, 2007, 07:38 PM
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#6 | |
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Join Date: May 2005
Location: Some unclosed sector
Posts: 4,663
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Quote:
It's electric!
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September 17th, 2007, 10:10 PM
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#7 |
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Commander Keen
Join Date: Apr 2006
Location: Elsweyr
Posts: 621
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No, I'm sure that it runs on AA's. Or, perhaps a couple D's?
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September 18th, 2007, 11:27 AM
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#8 | |
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Join Date: Jul 2001
Location: The frozen wastes of Quan'ideery
Posts: 9,097
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Quote:
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September 18th, 2007, 05:17 PM
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#9 |
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Spazztronik
Join Date: Jun 2000
Location: Canada
Posts: 10,520
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Wow that is pretty cool stuff.
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September 18th, 2007, 07:47 PM
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#10 | |
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Commander Keen
Join Date: Apr 2006
Location: Been Telefragged
Posts: 107
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Or maybe AAA's? xD
Quote:
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September 19th, 2007, 08:18 AM
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#11 |
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Commander Keen
Join Date: Apr 2007
Posts: 628
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AA's are a little more universal and easier to obtain.
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September 19th, 2007, 08:50 AM
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#12 |
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Join Date: Jul 2001
Location: The frozen wastes of Quan'ideery
Posts: 9,097
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Both of them are equally easy to obtain; you go to the store and buy them.
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September 19th, 2007, 08:50 AM
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#13 | |
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Commander Keen
Join Date: Apr 2006
Location: Been Telefragged
Posts: 107
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Quote:
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September 20th, 2007, 04:37 PM
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#14 |
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Commander Keen
Join Date: Jul 2007
Location: Friggin' Brazil! (now, friggin' Massachusetts!!)
Posts: 208
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Blood imp, that "the presence" scares teh shit outta me...
i ran the spectogram in my pc and I saw it... pretty cool.. I want to hide my face within a music somehow.. but anyway, I dunno why but that image of that hand scares the shit outta me! |
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September 20th, 2007, 06:45 PM
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#15 | |
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Join Date: Jun 2006
Location: HYPERPOWER!
Posts: 1,793
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Quote:
![]() Hiding your face within static would be cool indeed. I know that a phone number was hidden once. |
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September 20th, 2007, 07:54 PM
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#16 |
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Join Date: Jul 2001
Location: The frozen wastes of Quan'ideery
Posts: 9,097
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And then there were the nuclear engines: http://www.tfot.info/news/1006/mini-...the-stars.html
and the antimatter engines: http://www.tfot.info/articles/33/new...ne-design.html
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September 21st, 2007, 02:05 AM
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#17 |
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Commander Keen
Join Date: Oct 2003
Location: Inside your head
Posts: 2,825
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'bout damn time they'd get started on that
![]() Something I saw yesterday on National Geographic: Sugar as a power source. Dunno if it was for laughs or not, but the idea seems interesting enough, next thing we know we'll be mass producing sugar beets and stuffing them into our jetpacks we got with a note saying "Sorry we're about 20 years late with these"! |
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September 22nd, 2007, 08:57 AM
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#18 | |
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Commander Keen
Join Date: Jul 2007
Location: Friggin' Brazil! (now, friggin' Massachusetts!!)
Posts: 208
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Quote:
And about running a spectogram, download the Goldwave program, the demo allows you to use it, it simple, just turn it on and than play the music... It's freaking disturbing! |
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September 22nd, 2007, 02:59 PM
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#19 |
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Join Date: Jun 2006
Location: HYPERPOWER!
Posts: 1,793
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Cool, thanks.
Anyway, I've spoken to my science class about this in a speed-of-light discussion. Even though 100 km/s is fast, he was extremely un-impressed, stating that it's "still not as fast". |
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September 22nd, 2007, 05:46 PM
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#20 |
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Join Date: Jul 2001
Location: The frozen wastes of Quan'ideery
Posts: 9,097
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That's because the speed of light is something like 2.99x10^5 km/s.
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