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Author Topic: Something I never once thought about.  (Read 3081 times)

Merla

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Something I never once thought about.
« on: Apr 08, 2005, 01:47:17 PM »
Ripped off from USAToday:

Why do aluminum beverage cans have concave bottoms?

No, it's not a trick to make you think you're getting more than you are. The aluminum walls of a carbonated beverage can are only .005 in. thick — about as thick as a magazine cover.

The walls can be so thin because the pressure of the carbon-dioxide gas stiffens the walls the same way a flabby balloon is stiffened when it's filled with air. That's also why the can bottom can't be flat: The pressure would push it out, and the can would rock on its bottom.

The concave bottom acts like an arch dam to resist the pressure. The top can't be dished, though, so it has to be thicker — which is why the cans have a "stepped neck": a smaller-diameter top uses less metal.
« Last Edit: Apr 08, 2005, 01:47:43 PM by Queen Merla »

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Something I never once thought about.
« Reply #1 on: Apr 09, 2005, 03:54:50 PM »
I never thought about it either.  Not even now.
« Last Edit: Apr 09, 2005, 03:55:30 PM by DarthNuriko »

Fiero

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Something I never once thought about.
« Reply #2 on: Apr 09, 2005, 07:05:22 PM »
I never cared about it until now, and I still don't.
Get a little closer let it fold
Cut open my sternum and pull
My little ribs around you

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Something I never once thought about.
« Reply #3 on: Apr 09, 2005, 10:14:30 PM »
I think Beakman went over this once.  I think it was in that episode where he taught you how to crush a can of soda using hot and cold water...
-Remember teens, smoking makes pregnant women look cool!-

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Something I never once thought about.
« Reply #4 on: Apr 10, 2005, 09:55:57 AM »
Quote
I think Beakman went over this once.  I think it was in that episode where he taught you how to crush a can of soda using hot and cold water...
I seem to remember this.  It was pretty cool.
Get a little closer let it fold
Cut open my sternum and pull
My little ribs around you

Faye Valentine

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« Reply #5 on: Apr 10, 2005, 10:45:59 AM »
People, poor Merla is trying to be helpful and you all ditch her. :(Dont cry Merla

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« Reply #6 on: Apr 10, 2005, 02:01:45 PM »
People often fart in Merla's direction...it's a fact of life.
-Remember teens, smoking makes pregnant women look cool!-

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Something I never once thought about.
« Reply #7 on: Apr 11, 2005, 12:00:18 PM »
And they don't have concave bottoms, either.
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Evil Monkey-Tom

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Something I never once thought about.
« Reply #8 on: Apr 11, 2005, 03:09:45 PM »
I used to, but surgery cleared that up.

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« Reply #9 on: Apr 12, 2005, 12:45:45 PM »
The Minotaur was awesome.
Call me..... the Tide Hunter

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« Reply #10 on: Apr 12, 2005, 04:57:55 PM »
o.O STAY IN YOUR OWN DAMN TOPIC!

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Something I never once thought about.
« Reply #11 on: Apr 13, 2005, 12:21:15 AM »
The Minotaur apparently had a concave bottom.

MegatronYES

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« Reply #12 on: Apr 13, 2005, 04:32:11 AM »
Hee hee hee.
Bottom.
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« Reply #13 on: Apr 13, 2005, 07:17:35 PM »
Why did I hear Homer Simpson's voice as I read that?
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Fiero

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Something I never once thought about.
« Reply #14 on: Apr 13, 2005, 11:09:05 PM »
Quote
Why did I hear Homer Simpson's voice as I read that?
Because it reads like a Simpsons monologue.
Get a little closer let it fold
Cut open my sternum and pull
My little ribs around you

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« Reply #15 on: Apr 14, 2005, 12:23:35 AM »
Possibly.
-Remember teens, smoking makes pregnant women look cool!-

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Something I never once thought about.
« Reply #16 on: Apr 14, 2005, 10:14:20 AM »
Vida Guerra has a convex bottom. :)

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Something I never once thought about.
« Reply #17 on: Apr 15, 2005, 05:44:09 PM »
And a horse's face.

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« Reply #18 on: Apr 15, 2005, 05:51:55 PM »
Again, who the hell looks at the face?

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« Reply #19 on: Apr 15, 2005, 06:02:04 PM »
I do.

Faye Valentine

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« Reply #20 on: Apr 15, 2005, 06:05:49 PM »
of course tom wouldn't  

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« Reply #21 on: Apr 15, 2005, 07:18:57 PM »
Quote
And a horse's face.
Oh God yes thank you. I was tempted to say "and a concave face" but I didn't feel like stirring up trouble.

Merla

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« Reply #22 on: Apr 16, 2005, 03:22:59 PM »
mwhahahhaha ....A concave face... indeed.  :lol:  

Fiero

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Something I never once thought about.
« Reply #23 on: Apr 17, 2005, 02:01:26 AM »
Her face is a good lighting/bad lighting face.
Get a little closer let it fold
Cut open my sternum and pull
My little ribs around you

ChelseySuzie

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Something I never once thought about.
« Reply #24 on: Apr 18, 2005, 01:52:30 PM »
Quote
I think Beakman went over this once.  I think it was in that episode where he taught you how to crush a can of soda using hot and cold water...
I did that in Chemistry class a couple years ago.

The labs were the only things I looked forward to in that class.  Too bad I failed out.
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Merla

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« Reply #25 on: Apr 18, 2005, 02:15:48 PM »
You're like me Chelsey,  we rock at lab but suck at the paperwork.  I would both amaze and mistify because I would get it right when no one else could but I couldn't do the math to save my life.