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  1.  
    Some huge virtual expansion chamber, coupled with some way to get around the inlet bow shock problem?
    • CommentAuthortinker
    • CommentTimeNov 30th 2012 edited
     
    This is pretty good- but light on details about the heat-exchanger as you might imagine.

    http://en.wikipedia.org/wiki/SABRE_(rocket_engine)
    • CommentAuthorjoshs
    • CommentTimeNov 30th 2012
     
    AFAIK the Skylon engine is years away from a working prototype. I am pretty certain that the program they laid out called for increasing tranches of investment against proof of key concepts, the heat exchanger being a big one.
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      CommentAuthorTrim
    • CommentTimeApr 4th 2013
     
    • CommentAuthorjoshs
    • CommentTimeApr 4th 2013
     
    It's a glorified coin shrinker.
    •  
      CommentAuthorAngus
    • CommentTimeApr 5th 2013
     
    Project Orion redux.
    •  
      CommentAuthorDuracell
    • CommentTimeSep 30th 2013
     
  2.  
    Posted By: TrimPhysorg

    Evidence for ET is mounting daily, but not proven
    The number of stars in the universe is the same as Avogadro's Number!! Coincidence? I THINK NOT!
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      CommentAuthorAngus
    • CommentTimeSep 30th 2013
     
    Posted By: Andrew Palfreyman
    Posted By: TrimPhysorg

    Evidence for ET is mounting daily, but not proven
    The number of stars in the universe is the same as Avogadro's Number!! Coincidence? I THINK NOT!


    Well, about half as much as Avogadro's number, so far.

    And you better hope it's a coincidence. Avogadro's number is based on the arbitrary unit "gram". The gram is one one-thousandth of the mass of the International Prototype of the Kilogram (IPK), which is is in the custody of the International Bureau for Weights and Measures in Sèvres.

    Or perhaps the universe is Francocentric?
  3.  
    This is indeed my suspicion. And the French have known this all along.
  4.  
    Posted By: AngusProject Orion redux.
    Sounds even worse. Trading chemical fuel for a shitload of lithium to make "large metal rings" once a minute? And then: "This super-heated, ionized metal is ejected out of the rocket nozzle at a high velocity."

    Ah yes, the rocket nozzle made from unobtanium?

    Hell, i can swallow the giant shock absorber better than this weird beast.
    •  
      CommentAuthoraber0der
    • CommentTimeSep 17th 2018
     
    •  
      CommentAuthoraber0der
    • CommentTimeSep 17th 2018
     
    Spacex BFR update / Moon mission -- live in 6 hrs.

    https://www.youtube.com/watch?v=zu7WJD8vpAQ
  5.  
    Thenk yoh!!

    I had let it slip my mind
    •  
      CommentAuthorTrim
    • CommentTimeSep 17th 2018
     
    Very easily done.
    •  
      CommentAuthoraber0der
    • CommentTimeSep 17th 2018
     
    112 minutes...
    • CommentAuthorloreman
    • CommentTimeSep 17th 2018
     
    This, from the CBSNews story. I wonder what they think "penultimate" means?

    "It was the first mission to send humans beyond low-Earth orbit, the first to put astronauts atop NASA's gargantuan Saturn 5 rocket and it is still considered one of the agency's most daring flights. To the outside world, however, the program's penultimate flight was the Apollo 11 moon landing in July 1969."
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      CommentAuthoraber0der
    • CommentTimeSep 17th 2018
     
    The Mac dictionary seems to be very excited of 'penultimate':

    https://youtu.be/965udHubQkw
    •  
      CommentAuthoraber0der
    • CommentTimeSep 17th 2018
     
    75 munitoes...
    •  
      CommentAuthorAngus
    • CommentTimeSep 17th 2018
     
    Posted By: loremanThis, from the CBSNews story. I wonder what they think "penultimate" means?


    More ultimate than ultimate, I guess.