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  1. #576
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    Default Re: Space & Science megathread

    Traditional rocketry has (mostly) been like flying a plane from A to B but the crew parachute out at the destination and the plane is irretrievably lost. It was fine as a needs must starting point but it’s bonkers to continue with such an unsustainable and hugely expensive approach. Being able to fly the plane again and again is the big step forward from Space X.

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  3. #577
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    Default Re: Space & Science megathread

    Quote Originally Posted by Ravi View Post
    Traditional rocketry has (mostly) been like flying a plane from A to B but the crew parachute out at the destination and the plane is irretrievably lost. It was fine as a needs must starting point but itís bonkers to continue with such an unsustainable and hugely expensive approach. Being able to fly the plane again and again is the big step forward from Space X.
    Thatís exactly the analogy Elon Musk used yesterday.

    Single-use rockets just are not economical if there is a cheaper, reusable alternative.

    And Falcon Heavy (let us not forget, the largest rocket since the Saturn V that propelled the Apollo program to the Moon and the Apollo-Soyuz Test Project in 1975) is the kind of reusable serviceable vehicle that could potentially kickstart a new generation of space exploration.

    Mars, here we come!

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  4. #578
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    Default Re: Space & Science megathread

    Quote Originally Posted by chriscl View Post
    And the ESA offerings still launched from French Guyana.

    Musk has made Falcon Heavy by (essentially) gluing together three Falcon 9s. His design is also clever because he can re-use his rockets, thus saving costs (the other options cannot do that).
    The Americans were going to space in reusable vehicles nearly 40 years ago, but Uncle Sam didn't allow NASA to build on that platform and develop a replacement in time for when the shuttle retired.
    Who knows what they would have now if they had done.

    The same goes for the moon programme.


  5. #579
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    Default Re: Space & Science megathread

    afaik, NASA has been using recoverable boosters since Saturn 5. But the process of recovery was a bit hist and miss - lets them descend into the pacific and have the navy pick them up if the can locate them. And re-use was through semi-refabrication process.

    Most exit vehicles, except the shuttle and all manned capsules, never re-enter, does Falcon Heavy exit vehicle re-enter?

    SpaceX's innovation is the controlled recovery, which is very neat, and the fabless re-use, again a neat efficiency.

    The Liberty Star retrieving a booster from the Shuttle


    Last edited by ReDias; 07-02-18 at 14:03.
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  6. #580
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    Default Re: Space & Science megathread

    Quote Originally Posted by Red Unity View Post
    afaik, NASA has been using recoverable boosters since Saturn 5. But the process of recovery was a bit hist and miss - lets them descend into the pacific and have the navy pick them up if the can locate them. And re-use was through semi-refabrication process.

    Most exit vehicles, except the shuttle and all manned capsules, never re-enter, does Falcon Heavy exit vehicle re-enter?

    SpaceX's innovation is the controlled recovery, which is very neat, and the fabless re-use, again a neat efficiency.

    The Liberty Star retrieving a booster from the Shuttle
    The shuttle SRBs were designed as you say to be recoverable and reusable.

    Of all the shuttle flights, I think (from memory) the only time they were unable to recover them after launch was those used during the last flight of Challenger, because tragically a seal-fault on one SRB caused the destruction of the entire vehicle.

    It was also reported that the SRBs used on the final shuttle mission, STS-135, contained parts used on the very first shuttle flight, of Columbia, piloted by John Young and Bob Crippen in 1981.

    Falcon Heavyís payload stage is designed to carry either a satellite or a larger vehicle, such as one of SpaceXís own reusable cargo pods.

    Of course, the stated aim is for it to deliver a vehicle into orbit that could, once stabilised, be then boosted onward to Mars.

    None of the Saturn V stages or engines were designed to be recoverable and reusable, although Jeff Bezos (Amazon CEO, and apparently now the worldís richest man) financed an undersea hunt that did find at least one of the Saturn V engines used in the Apollo moon landing program in the sea off the Florida coast, and recovered it.

    He was going to have it refurbished and put on display somewhere if I remember.

    Space exploration, eh, itís great.


  7. #581
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    Default Re: Space & Science megathread


  8. #582
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    Default Re: Space & Science megathread

    Earworm this morning...




  9. #583
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    Default Re: Space & Science megathread

    Possibly the only time I'll post a Daily Heil link, but it's worth it just for the comments section.


  10. #584
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    Default Re: Space & Science megathread

    This could go in here or 'the future of work' thread, which couldn't find




  11. #585
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    Default Re: Space & Science megathread




  12. #586
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    Default Re: Space & Science megathread

    Russian Nuclear scientists attempt to use their new supercomputer to mine for Bitcoin.

    And are arrested:

    https://www.theguardian.com/world/20...e_iOSApp_Other


  13. #587
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    Default Re: Space & Science megathread

    Those gulags will be cold this time of year...

    [QUOTE=Barry;2870882]Ive only met Andy....last week actually and can confirm he is in 2nd place in sexiest fucker on here stakes.[/QUOTE]

  14. #588
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    Default Re: Space & Science megathread

    It's great that 'Dippy', the Natural History Museum's famous Diplodocus is going on a nationwide tour after being replaced from its old spot by a Blue Whale, and it's fitting that its first port of call is the Dorset County Museum near the Jurassic Coast, but I just wish it was still there in July when I'm down there.

    http://www.nhm.ac.uk/take-part/dippy...xoCiIAQAvD_BwE


  15. #589
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    Default Re: Space & Science megathread


  16. #590
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    Default Re: Space & Science megathread


  17. #591

    Default Re: Space & Science megathread

    Death is not the end, at least not for a little while.

    http://www.newsweek.com/where-do-you...r-death-800443


  18. #592

    Default Re: Space & Science megathread

    A new class of antibiotics found - http://www.bbc.co.uk/news/health-43032602


  19. #593
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    Default Re: Space & Science megathread

    Quote Originally Posted by I'm Red Till Dead View Post
    A new class of antibiotics found - http://www.bbc.co.uk/news/health-43032602
    Dirty bastards. Lucky find, could save us.


  20. #594
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    Default Re: Space & Science megathread

    haha




  21. #595
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    Default Re: Space & Science megathread

    Mansí inhumanity to robots clearly demonstrated again:

    https://www.theguardian.com/technolo...e_iOSApp_Other

    Come the day of the robot-uprising, you know whoíll be first up against the wall.


  22. #596

    Default Re: Space & Science megathread

    DNA data storage takes a step closer

    https://www.verdict.co.uk/dna-data-s...rosoft/http://

    For those who prefer ther news as a video http://www.bbc.co.uk/news/av/science...-computer-data


  23. #597
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    Default Re: Space & Science megathread

    Exciting stuff


  24. #598
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    Default Re: Space & Science megathread

    I prefer my news demonstrated via the medium of mime if im honest.


  25. #599
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    Default Re: Space & Science megathread

    Major changes at Ford:
    What do you think about this Chriscl? Sign of the future or a one off?

    https://www.yahoo.com/news/abandon-c...l?guccounter=1


  26. #600
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    Default Re: Space & Science megathread

    Quote Originally Posted by Le Juif Rouge View Post
    Major changes at Ford:
    What do you think about this Chriscl? Sign of the future or a one off?

    https://www.yahoo.com/news/abandon-c...l?guccounter=1
    Thatís only relevant for North America, but Ford are a bit behind the curve there.

    Unlike many others, they are a bit behind when it comes to electric vehicles and over hybrids. And thatís cost them market share.

    At least youíll still be able to buy a Mustang!


 

 

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