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Author Topic: A (geeky) observation about food
MacManKrisK

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Icon 1 posted December 23, 2009 09:55      Profile for MacManKrisK     Send New Private Message       Edit/Delete Post   Reply With Quote 
Milk and coffee are comprised mostly of the same substance: water. Assuming that the coffee is hot (~180°F) and the milk is cold (~38°F), pouring the milk into the coffee produces a convection current that sufficiently mixes the two substances.

In stark contrast, hot coffee and cold egg nog do not combine in the same manner. It appears that the egg nog is of a much higher density than the coffee, and thus sinks to the bottom of the cup.

I have no real point here, just found this to be an interesting observation.

Yes, I put egg nog in my coffee, and yes it was delicious. As Homer Simpson once said: "We only get to enjoy egg nog for one month out of the year, then the government takes it away again."

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get rich and you still die"


Posts: 2331 | From: Southwest Michigan, USA | Registered: Oct 2001  |  IP: Logged
Xanthine

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Icon 14 posted December 23, 2009 10:17      Profile for Xanthine     Send New Private Message       Edit/Delete Post   Reply With Quote 
I'm just glad I'm not the only one who likes to watch liquids interacting. [Big Grin] I think you're right about the density thing - I'm sure they'd mix just fine by convection if the eggnog wasn't sinking so rapidly. What happens with cream or half-and-half?

I've tried eggnog a couple times and never enjoyed it. It's weird. Why on earth do you ruin a perfectly good cup of coffee with eggnog??

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TheMoMan
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Icon 1 posted December 23, 2009 10:21      Profile for TheMoMan         Edit/Delete Post   Reply With Quote 
____ MMKK, I see you notice strange behaviors too.

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Those who would give up essential liberty to purchase a little temporary safety deserve neither liberty nor safety.


Benjamin Franklin,

Posts: 5848 | From: Just South of the Huron National Forest, in the water shed of the Rifle River | Registered: Sep 2002  |  IP: Logged
TheMoMan
BlabberMouth, a Blabber Odyssey
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Icon 1 posted December 23, 2009 11:09      Profile for TheMoMan         Edit/Delete Post   Reply With Quote 
____ Back when TheMoMan was ten, a grade school teacher had a one quart home canning bottle nearly filled with water at room temp. She then lowered (with a length of thread) a small bottle of warmed ink into the one quart bottle. We then watched as the two fluids mixed.

____ Most of the ink went straight to the top and then started to settle mixing through out the water. Looking back it was a fairly valid demo.

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Those who would give up essential liberty to purchase a little temporary safety deserve neither liberty nor safety.


Benjamin Franklin,

Posts: 5848 | From: Just South of the Huron National Forest, in the water shed of the Rifle River | Registered: Sep 2002  |  IP: Logged


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