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My ravioli bowl won't unstick. Took about an hour of prying, and still I couldn't unstick the plate.
(lemmy.world)
That really sucks.
this post was submitted on 12 Apr 2025
286 points (95.5% liked)
Mildly Infuriating
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an hour of prying
After that much work you should leave is as-is on your coffee table as an art/conversation piece.
Someone slept through physics class a few times.
Heat and/or cold would be your friend in this situation.
Personally I would just toss the whole thing in the freezer for the night, but there is a small chance that results in a broken plate in the morning.
If you have an air compressor a blast of air right against the lip of the bowl would probably also pop it off.
Other than that just run hot water over the bowl (or submerge it) and then get the plate cold while being careful to not have the hot water touch the cold plate or visa versa.
Best of luck soldier.
Wouldnt be the opposite? What's keeping the plates together is vacuum. What it needs is to heat the gas inside to make it expand and reduce the vacuum
Let me walk you through my 3 different answers.
-
Shrinking the bowl and the plate at the same time might just pop the seal when left in the freezer all night. It would only take a couple Crystal forming in the right spot to break that seal.
-
Blasting air into the seal could potentially resolve the pressure difference holding the bowl to the plate or force enough air into the bowl that it actually builds positive pressure inside and that pops the bowl off as well.
-
Heating the bowl would get it to expand slightly and cooling the plate would make it shrink slightly so doing them at the same time could cause the perfect seal they have formed to shift enough that it allows the pressure to equalize/release.
It's less about heating the gas inside the bowl to reverse the vacuum and it's more about breaking the seal that has formed in the first place.
But heating the gas inside would also work because, no matter how perfect the seal is, it won't matter if there is no vacuum to hold the two pieces together.
Amazing. Thanks!
By "ravioli bowl," do you mean it currently has ravioli in it? If so, put it in the microwave for increments of like 30 seconds.
congrats you now have an elevated plate
Hot ass water
Edit: Clarification: Poor hot ass water on it or dunk it in hot ass water
Edit 2, electric boogaloo: This is dependent on the material, according to my mother
My water is too bougie and I can't morally exploit it into poverty... Elevated plate it is.
Instructions unclear, bowl still stuck to plate, but is now covered in sexy posterior dihydrogen monoxide.
Can I use regulat hot water if I don't have access to the ass water?
Ass water can easily made yourself. No need to get expensive store bought ass water
No, it must be from the ass.
Shit.
No, water.
Nope. It has to come straight from the starfish
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(2 replies)
Microwave it on its side.
OP you monster, we need resolution.
Assuming its empty, i would take the grog oggah boogah solution of smash the blue plastic bowl down the edge of your countertop. Something will give sometime.
Otherwise, did you try twisting the bowl one direction and the plate the other? Torque is typically a more effective force than pulling for friction.
Hot air cooled, contracted, and created partial vacuum is my guess. Make it hot again and it will unstick, I bet.
I was gonna suggest just running hot tap water over it for a few minutes until the air inside expanded enough.
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(3 replies)
No one is going to mention that OP has a bowl specifically for ravioli?
Well how do you cook ravioli? In your fettuccine bowl?
Pour it onto a dish rag and microwave it? I thought this was common knowledge?
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The power of suction is physically limited. That means it either isn't suction or op is crazy weak. My guess is that the plastic melted (probably not from boiling Temp) or op is strongly exaggerating.
@FreeBeard separates evacuated Magdeburger hemispheres by hand.
/s
The power of suction is physically limited.
Someone has never heard of Delta P.
The delta P you're talking about has much much higher ambient pressure than what is the case here.
And even underwater there is a limit to delta P.
It's delta p and not fraction p. The difference between ambient pressure and inner pressure (at least zero) is always smaller than ambient pressure. Delta p is therefore limited.
OK and? A difference of just 2 psi means that a bowl with diameter 4 in. (complete guess) is being held in place with ((4*π)=12.56*2)= 25 lbs of force distributed evenly across the surface of the plate.
A bigger bowl or greater suction changes these numbers dramatically. 2 psi on a 6 in. bowl is held in place with 37 lbs of force. 4 psi on a 6 in. bowl is held in place with 75 lbs of force.
Sure its "limited" in that there can only be a 14.7 pressure difference, but that doesn't mean anything in terms of "this is really hard to undo".
And if there's oil or food or something sealing the gap between bowl and plate preventing the pressure from equalizing... fugheddaboudit.
I sadly don't understand these units and your point is drained in it. The point I want to make is that the "force" of vacuum is limited by the difference of pressures.
You say it changes "drasticly" with area or suction but that is untrue. It changes linearly with area (not drastically) and pressure difference has a maximum. The maximum is defined by the pressure of the vacuum(=0) and the pressure of the ambient air (1 arm). Both are constant so the maximum is constant and actually not that big.
I could change all the units to potatoes and wombats and my point would still be valid. You are being intentionally obtuse to avoid admitting you're wrong.
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(9 replies)
The mildlyinfuriating part is that OP hasn’t posted a resolution.
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