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#1 |
I wonder . . .
Join Date: Oct 2006
Location: The Left Coast, a pretty good place to be.
Posts: 1,278
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July 9, 2011 Frozen air bubbles
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#2 |
I wonder . . .
Join Date: Oct 2006
Location: The Left Coast, a pretty good place to be.
Posts: 1,278
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Anyone know how bubbles get trapped like that?
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#3 |
Colloquialist
Join Date: Jul 2006
Posts: 76
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Don't know your answer, but when I was a kid growing up in New England my parents taught me to look at ice on a pond and see how far down the bubbles went. That would give me an idea of how thick the ice was before I'd decide if I could skate on it or not.
Ponds and such freeze from the surface downward. Even with ice on the top, there is movement of the water underneath. I assume that bubbles get created in the current and get trapped by the ice above which freezes more and more downward. This is my guess... ![]() |
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#4 |
Professor
Join Date: Oct 2006
Posts: 1,911
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#5 |
Kinda New Member
Join Date: Jul 2011
Posts: 1
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how bubbles get trapped like that
Temp get cold. Water freezes and produces 1/2 inch of ice. Bubbles of gas from lake bottom rise and get trapped underneath the ice layer. The next night when it gets cold again, more water freezes and ice becomes thicker forming on the ice above it but not on the bubble except at the edges. The next day, more gas bubbles up getting trapped again. Repeat over many days and night all winter long..
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#6 |
polaroid of perfection
Join Date: Sep 2005
Location: West Yorkshire
Posts: 24,185
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If she cracks she bears, if she bends she breaks
(line from a classic horror story)
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Life's hard you know, so strike a pose on a Cadillac |
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#7 | |
barely disguised asshole, keeper of all that is holy.
Join Date: Nov 2007
Posts: 23,401
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Quote:
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"like strapping a pillow on a bull in a china shop" Bullitt |
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#8 |
polaroid of perfection
Join Date: Sep 2005
Location: West Yorkshire
Posts: 24,185
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Deny away, I know what I know about you and bears.
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Life's hard you know, so strike a pose on a Cadillac |
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#10 | |
tri-continental dag hag
Join Date: Nov 2005
Location: Australia
Posts: 247
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Quote:
A few years later, still in Holland, we were on a frozen lake - Dutch sweetie on skates, me on a converted sled (wrapped in blankies and carrying the thermos and cake... as I can't skate) and he was pushing me along when it went CRAAAAAACK! in all directions, in a star pattern with me in the middle. He said "oooh, that's not good" and we headed back. So there is CRAAAAAACK! and then there's CRAAAAAACK! Not all crack is good ice it would seem.
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you're never too old to have a happy childhood Last edited by sandypossum; 07-09-2011 at 10:18 PM. Reason: typos |
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#11 |
The Un-Tuckian
Join Date: Apr 2007
Location: South Central...KY that is
Posts: 39,517
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CRAAAAAACK kills...
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#12 |
The Un-Tuckian
Join Date: Apr 2007
Location: South Central...KY that is
Posts: 39,517
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That is a crazy pic, CaliMama.
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#13 |
lobber of scimitars
Join Date: Jul 2001
Location: Phila Burbs
Posts: 20,774
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Thank you, Dougie. Welcome.
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![]() ![]() "Conspiracies are the norm, not the exception." --G. Edward Griffin The Creature from Jekyll Island High Priestess of the Church of the Whale Penis |
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#14 |
polaroid of perfection
Join Date: Sep 2005
Location: West Yorkshire
Posts: 24,185
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Welcome Dougie - clear and concise explantaion.
Although I had to reread it a few times. Bubbles in my brain were making it hard to visualise.
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Life's hard you know, so strike a pose on a Cadillac |
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#15 |
The Un-Tuckian
Join Date: Apr 2007
Location: South Central...KY that is
Posts: 39,517
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Get a load of Dougie with the believable explanation.
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