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A question for Fabs scientific hive mind...
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By *illan-Killash OP Man 26 weeks ago
London/Sussex/Surrey/Berks/Hants |
Just opened an Easter egg, taken it out the box, carefully removed the foil wrapping, no tears.
Cracked the egg along the preformed seam, and tried to re-wrap the remaining half with the foil I've just removed.
So, why does a sheet of foil that previously completely wrapped a whole egg and included an overlap, now not fully cover half an egg?
Scientists front and centre please.  |
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By (user no longer on site) 26 weeks ago
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"But also, what the hell are you doing being so neat and accurate with your Easter eggs, man? Get a grip.
It's a Lindt egg, treating it with respect.  "
Cadbury use bigger foil sheets  |
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Two potential answers, which would require testing:
1) The foil, when applied by a machine, is under tension and applied completely smoothly with no wrinkles. Once you release the foil and unwrap/rewrap, you introduce wrinkling that you cannot smooth out with your hands. Therefore there's a smaller surface area of foil to apply back to the half egg.
2) The concave inner egg surface and edges result in a higher surface area to cover with foil, compared to the whole egg.
Or a combination thereof. |
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By *illan-Killash OP Man 26 weeks ago
London/Sussex/Surrey/Berks/Hants |
"Two potential answers, which would require testing:
1) The foil, when applied by a machine, is under tension and applied completely smoothly with no wrinkles. Once you release the foil and unwrap/rewrap, you introduce wrinkling that you cannot smooth out with your hands. Therefore there's a smaller surface area of foil to apply back to the half egg.
2) The concave inner egg surface and edges result in a higher surface area to cover with foil, compared to the whole egg.
Or a combination thereof. "
I did consider 2....... however, laid the foil on a flat surface and put the seamed part of the egg on the foil.
1 seems more plausible.
Eggs delicious by the way.  |
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"Just opened an Easter egg, taken it out the box, carefully removed the foil wrapping, no tears.
Cracked the egg along the preformed seam, and tried to re-wrap the remaining half with the foil I've just removed.
So, why does a sheet of foil that previously completely wrapped a whole egg and included an overlap, now not fully cover half an egg?
Scientists front and centre please. "
You’re doing it wrong? |
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"Just opened an Easter egg, taken it out the box, carefully removed the foil wrapping, no tears.
Cracked the egg along the preformed seam, and tried to re-wrap the remaining half with the foil I've just removed.
So, why does a sheet of foil that previously completely wrapped a whole egg and included an overlap, now not fully cover half an egg?
Scientists front and centre please. "
It’s the inverse curvature of the inside of the egg in conjunction with the taper to the peak; and the small amount you lose from folding over the edge of the halved egg. In other words, when you fold it back on itself and it has to follow a contour that goes against the natural external curve, it causes the square of foil to buckle.
Plus the added phenomenon that nothing goes back in the box the same way. |
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By *red333Man 26 weeks ago
Dorchester |
"Just opened an Easter egg, taken it out the box, carefully removed the foil wrapping, no tears.
Cracked the egg along the preformed seam, and tried to re-wrap the remaining half with the foil I've just removed.
So, why does a sheet of foil that previously completely wrapped a whole egg and included an overlap, now not fully cover half an egg?
Scientists front and centre please. "
you creased the foil wrapping which was stretched over the original whole egg  |
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By *illan-Killash OP Man 26 weeks ago
London/Sussex/Surrey/Berks/Hants |
"Just opened an Easter egg, taken it out the box, carefully removed the foil wrapping, no tears.
Cracked the egg along the preformed seam, and tried to re-wrap the remaining half with the foil I've just removed.
So, why does a sheet of foil that previously completely wrapped a whole egg and included an overlap, now not fully cover half an egg?
Scientists front and centre please. you creased the foil wrapping which was stretched over the original whole egg "
Nope. It's almost perfect in its flatness. |
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By *ddie1966Man 26 weeks ago
Paper Town Central, Essex. |
Lay the foil flat and place the edge side on it then wrap over the outer curved surface. It will cover.
If you try to follow the internal curved surface, it won't.
I could go into surface area dynamics, but I don't want another sui side occurrence on my hands. |
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By *illan-Killash OP Man 26 weeks ago
London/Sussex/Surrey/Berks/Hants |
"Lay the foil flat and place the edge side on it then wrap over the outer curved surface. It will cover.
If you try to follow the internal curved surface, it won't.
I could go into surface area dynamics, but I don't want another sui side occurrence on my hands."
Did that. Didn't work.
I'm going with Mrs KCs theory. |
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By (user no longer on site) 26 weeks ago
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"Just opened an Easter egg, taken it out the box, carefully removed the foil wrapping, no tears.
Cracked the egg along the preformed seam, and tried to re-wrap the remaining half with the foil I've just removed.
So, why does a sheet of foil that previously completely wrapped a whole egg and included an overlap, now not fully cover half an egg?
Scientists front and centre please. "
Oh lawks ... This probably relates to the topological folding of the foil creating more warps as it wraps in on itself.
This is an interesting problem to model! |
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By (user no longer on site) 26 weeks ago
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"Just opened an Easter egg, taken it out the box, carefully removed the foil wrapping, no tears.
Cracked the egg along the preformed seam, and tried to re-wrap the remaining half with the foil I've just removed.
So, why does a sheet of foil that previously completely wrapped a whole egg and included an overlap, now not fully cover half an egg?
Scientists front and centre please.
It’s the inverse curvature of the inside of the egg in conjunction with the taper to the peak; and the small amount you lose from folding over the edge of the halved egg. In other words, when you fold it back on itself and it has to follow a contour that goes against the natural external curve, it causes the square of foil to buckle.
Plus the added phenomenon that nothing goes back in the box the same way."
Next time try this. Slice along the edge perfectly and peel the foil away from one side ensuring the shape remains intact. Consume said contents, then place the foil back to front in the remaining half. |
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By *illan-Killash OP Man 26 weeks ago
London/Sussex/Surrey/Berks/Hants |
"Just opened an Easter egg, taken it out the box, carefully removed the foil wrapping, no tears.
Cracked the egg along the preformed seam, and tried to re-wrap the remaining half with the foil I've just removed.
So, why does a sheet of foil that previously completely wrapped a whole egg and included an overlap, now not fully cover half an egg?
Scientists front and centre please.
It’s the inverse curvature of the inside of the egg in conjunction with the taper to the peak; and the small amount you lose from folding over the edge of the halved egg. In other words, when you fold it back on itself and it has to follow a contour that goes against the natural external curve, it causes the square of foil to buckle.
Plus the added phenomenon that nothing goes back in the box the same way.
Next time try this. Slice along the edge perfectly and peel the foil away from one side ensuring the shape remains intact. Consume said contents, then place the foil back to front in the remaining half."
I gotta wait a year to try this now. |
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"Two potential answers, which would require testing:
1) The foil, when applied by a machine, is under tension and applied completely smoothly with no wrinkles. Once you release the foil and unwrap/rewrap, you introduce wrinkling that you cannot smooth out with your hands. Therefore there's a smaller surface area of foil to apply back to the half egg.
2) The concave inner egg surface and edges result in a higher surface area to cover with foil, compared to the whole egg.
Or a combination thereof. "
This would have been my suggestion too. We are channeling. |
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"The foil is no longer stretched, it's now wrinkled and cant cover the concave curvature.
Mrs
The foil was flat, no wrinkles or crumples. "
There will have been micro wrinkles that you can't see. The ultra structure of the metal foil will have changed. It's applied in the factory by machine and is under tension when wrapped around the egg. There's no way you can replicate that with your hands. |
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By *illan-Killash OP Man 26 weeks ago
London/Sussex/Surrey/Berks/Hants |
"The foil is no longer stretched, it's now wrinkled and cant cover the concave curvature.
Mrs
The foil was flat, no wrinkles or crumples.
There will have been micro wrinkles that you can't see. The ultra structure of the metal foil will have changed. It's applied in the factory by machine and is under tension when wrapped around the egg. There's no way you can replicate that with your hands. "
Oh Mrs KC, of course, youve never felt the soft sensual touch of my hands........
*flirts OUTRAGEOUSLY.......  |
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"The foil is no longer stretched, it's now wrinkled and cant cover the concave curvature.
Mrs
The foil was flat, no wrinkles or crumples.
There will have been micro wrinkles that you can't see. The ultra structure of the metal foil will have changed. It's applied in the factory by machine and is under tension when wrapped around the egg. There's no way you can replicate that with your hands. "
Also the egg will be positioned on an angle in the foil so that the circumference around the widest part of the egg is close to the hypotenuse allowing them to use the smallest amount of foil possible to wrap it.
B |
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"The foil is no longer stretched, it's now wrinkled and cant cover the concave curvature.
Mrs
The foil was flat, no wrinkles or crumples.
There will have been micro wrinkles that you can't see. The ultra structure of the metal foil will have changed. It's applied in the factory by machine and is under tension when wrapped around the egg. There's no way you can replicate that with your hands.
Also the egg will be positioned on an angle in the foil so that the circumference around the widest part of the egg is close to the hypotenuse allowing them to use the smallest amount of foil possible to wrap it.
B"
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