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Dry ice chips w/interesting flow patterns

Get dry ice in the Seattle area at QFC supermarkets. It's about $1.00 per pound, in the seafood section. Bring a styrofoam cooler. Otherwise check your yellow pages under Dry Ice, or phone vario...  
 
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ActiveStorage (2 months ago) Show Hide
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looks like everything has electromagnetic nature in it. this thing looks like a miniature of a galaxy. obviously gravity has nothing to do with making it look that way. no dark matter theory needed. it's all electromagnetic
AncientPiece (5 months ago) Show Hide
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very nice and beautiful demonstrations they look like some space thingy
hickorysmoked4 (5 months ago) Show Hide
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i want t0 eat the smoke
drjustian (6 months ago) Show Hide
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Wonderful, I like it. The phenomena of rotating ice chips that do not sink is due to gas around the ice chips, true. However, the question is "why is that so?" It is so because, in addition to the gas the water tension helps support the ice chip. The water's surface tension is viscous, rather that inertial, allowing the lighter gas to support the ice chip. I think. Signed, David Justian. My theory of viscosity is at "David Justian" on YouTube.
wbeaty (6 months ago) Show Hide
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Gas is viscous too: boundary layers remain trapped against surfaces. The higher it's viscosity, the thicker is the layer.

When the surface is large and the mass of the chip is small, the gas buoyancy wins over the weight.
ActiveStorage (2 months ago) Show Hide
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the reason why they move that way is because on nanoscale all interactions that are happening whether u talk about "water tension" and "jets of dry ice" are electromagnetic in nature. Charged particles always have rotational spin. Same thing goes to any kind of vortexes
utsavman47 (6 months ago) Show Hide
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well of course it dosn't compare to the earth ,duh
but none the less it is gravity ,you have to agree
UnSamm (6 months ago) Show Hide
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The theory is there :)
NingyoAijin (5 months ago) Show Hide
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you do realize that gravity, even from an object as small as a tennis ball with the same mass, pulls the earth towards it with the same amount of force that the earth pulls the ball... think a little about newtonian laws.

also it is not gravity here, but the jets pushing water away, and in order to balance the concentration gradient the other pieces of ice are dragged towards it... I.... THINK... (i may be totally wrong: i am 16, you know... still in school for another 2 years XD)
utsavman47 (5 months ago) Show Hide
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im also 16 !
LMAO

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