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Tatsuro Toyoda, champion of the Prius, has died

Discussion in 'Fred's House of Pancakes' started by pilotgrrl, Jan 10, 2018.

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  1. hkmb

    hkmb Senior Member

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    ...but even there, isn't there stuff that's constantly popping into and out of existence?
     
    #21 hkmb, Jan 11, 2018
  2. tochatihu

    tochatihu Senior Member

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    Vacuum 'cleaners' Dyson or otherwise, make a lot of noise and a lot of spinning but don't 'draw down' all that much. Goal is 'flow' not 'low' Does that make sense? Probably typically 10^18.
     
    #22 tochatihu, Jan 11, 2018
  3. hkmb

    hkmb Senior Member

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    Some pop science for the amateurs like me....



    .... and for those trapped in a world without YouTube:



    or
     
    #23 hkmb, Jan 11, 2018
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  4. tochatihu

    tochatihu Senior Member

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    into and out of existence? That's how the story goes. Actually all the best equations say so, and there have been some physical detentions of the poppings.

    It is an domain where physical intuition is worth nothing to an excellent approximation.
     
    #24 tochatihu, Jan 11, 2018
  5. hkmb

    hkmb Senior Member

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    The explanation makes sense when it comes to vacuum cleaners.

    However, the Dyson we had, and which we took back to the shop because it was hopeless, was a pretty steady 10^19. On a good day.

    The goal for Dyson, it appears, was neither "low" nor "flow", but "cashflow".
     
    #25 hkmb, Jan 11, 2018
  6. hkmb

    hkmb Senior Member

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    Indeed. It's something I find fascinating.
     
    #26 hkmb, Jan 11, 2018
  7. pilotgrrl

    pilotgrrl Senior Member

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    Never heard anything about 8, but there are alternate pronunciations for 四 (the numeral 4) & 七 (the numeral 7).

    一 ichi 1
    二 ni 2
    三 san 3
    四 shi or yon 4 <-Shi sounds like the word for death
    五 go 5
    六 roku 6
    七 shichi or nana 7 <- same as 4
    八 hachi 8
    九 ku 9
    十 jyu 10

    I don't know anything about fortune-telling other than the fortunes you can buy at shrines/temples, and the various kinds of talismans sold there. Superstitions abound, and I'm willing to accept help from kamisama. The fox gods of Fushimi temples are said to be particularly helpful with traffic safety, including network traffic...

    5978404.jpg


    Posted via the PriusChat mobile app.
     
    #27 pilotgrrl, Jan 11, 2018
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  8. bisco

    bisco cookie crumbler

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    galileo would be pleased.
     
    #28 bisco, Jan 11, 2018
  9. pilotgrrl

    pilotgrrl Senior Member

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    When the Lexus LFa was built, Toyota returned to its weaving heritage and built special looms so they could fabricate carbon fiber parts.

    Posted via the PriusChat mobile app.
     
    #29 pilotgrrl, Jan 11, 2018
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  10. hkmb

    hkmb Senior Member

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    The same goes for most Chinese dialects. 4 is by far the unluckiest number. Most buildings won't have a 4th, 14th, 24th (etc) floor.

    This doesn't happen in Chinese, though.

    We Librans don't believe in such fortune-telling nonsense.

    ....but I'm sure this works...
     
    #30 hkmb, Jan 11, 2018
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  11. hkmb

    hkmb Senior Member

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    Are those Youku links showing up for you? They're not for me.
     
    #31 hkmb, Jan 11, 2018
  12. pilotgrrl

    pilotgrrl Senior Member

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    I don't see any links for Youku either.

    Posted via the PriusChat mobile app.
     
    #32 pilotgrrl, Jan 11, 2018
  13. tochatihu

    tochatihu Senior Member

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    Yeah I watched youkus. The ads differed but the drops were the same.

    According to narrator, 'vacuum' achieved was 2*10^12 molecules per cm^3 which is impressive for such a large volume. Yeah I did the math.
     
    #33 tochatihu, Jan 11, 2018
  14. tochatihu

    tochatihu Senior Member

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    @32 So you are a librarian? Ought to spend more time in the Science section.
     
    #34 tochatihu, Jan 11, 2018
  15. hkmb

    hkmb Senior Member

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    Yes, they're just coming up as big blanks for me, even though I'm the one who pasted them in. It's a link to the Youku version of the same clip as the YouTube one, so you're not missing anything apart from some Chinese adverts at the start.

    I'm glad you're seeing it, at least, since you're the one who needs the alternative link.

    The bowling-ball / feathers thing is kind of cool.

    And yes, for such a huge space, it's a very impressive level of vacuum.
     
    #35 hkmb, Jan 11, 2018
  16. hkmb

    hkmb Senior Member

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    Mmm
     
    #36 hkmb, Jan 11, 2018
  17. tochatihu

    tochatihu Senior Member

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    First time I saw a turbomolecular pump I said "Wow what does it do?" Answer: "Nothing, mostly".

    Nerd humor.
     
    #37 tochatihu, Jan 11, 2018
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  18. tochatihu

    tochatihu Senior Member

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    kind of cool@37 What did you expect to happen? Similar demo done on Moon. Which Apollo was that?
     
    #38 tochatihu, Jan 11, 2018
  19. hkmb

    hkmb Senior Member

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    Oh, I knew what would happen. It was just nice to watch: much of what's in Prof Coxy's programmes is beautifully filmed.
     
    #39 hkmb, Jan 11, 2018
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