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  1. #571
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    Adobe putting in that extra effort!

    I tried downloading our local verge collection schedule and this happened.
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    Why is it that when you exhale open mouthed you blow out hot air, yet when you purse your lips and blow out (like blowing out a candle) it's cool air?

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    AdornedWithCats  (24-11-2014)

  4. #573
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    Quote Originally Posted by theoneandonlyem View Post
    Why is it that when you exhale open mouthed you blow out hot air, yet when you purse your lips and blow out (like blowing out a candle) it's cool air?
    Weird! I never thought about this before. Does anyone know???

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    Quote Originally Posted by theoneandonlyem View Post
    Why is it that when you exhale open mouthed you blow out hot air, yet when you purse your lips and blow out (like blowing out a candle) it's cool air?
    I heard dr Karl talk about this once but I can't remember. Damn

  6. #575
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    harvs is offline Winner 2014 - Spirit of BubHub Award
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    It's weird that it's still the afternoon in WA. And almost midnight in NZ. Like, I understand time :-) it just blows my mind if I think too much on it. Like somewhere in the world right now it's pretty much any time that's possible on a clock. Maybe. Or not. I don't really know. Solid post, harvs.

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  8. #576
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    Quote Originally Posted by theoneandonlyem View Post
    Why is it that when you exhale open mouthed you blow out hot air, yet when you purse your lips and blow out (like blowing out a candle) it's cool air?
    Ever one reading this is trying it now to see . lol

    Sent from my GT-I9505 using The Bub Hub mobile app

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    DesperatelySeekingSleep  (25-11-2014),M'LadyEm  (24-11-2014),SuperGranny  (22-12-2014)

  10. #577
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    Quote Originally Posted by theoneandonlyem View Post
    Why is it that when you exhale open mouthed you blow out hot air, yet when you purse your lips and blow out (like blowing out a candle) it's cool air?
    So wish I had videoed DH just trying that lololol

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    M'LadyEm  (24-11-2014)

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    Quote Originally Posted by theoneandonlyem View Post
    Why is it that when you exhale open mouthed you blow out hot air, yet when you purse your lips and blow out (like blowing out a candle) it's cool air?
    I asked DH and he said it is because air cools when compressed and heats up when expanded. He explained it's a bit like a (oversimplified) refrigerator. All the compressed air is inside cooling so the back of it is hot from the expanding air. Same kind of deal with a/c. He is also a bit tired so apologised for the crappy explanation

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    Do all oranges have the same number of segments?

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    Quote Originally Posted by harvs View Post
    Do all oranges have the same number of segments?
    Hmm.. i want to go and peel the 3kgs of oranges sitting in the kitchen to try and figure this one out..lol.


 

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