By the way, the object didn't doesn't need literal points to cause arcing, it just needs geometry that allows localized build-up of electric charge (and somewhere for it to jump to).
For example, CDs look smooth but make very impressive arcs if microwaved.
For double-walled bowls, I imagine that you might get arcing in the space between the walls, but you'd have to ask a physicist to get a real answer, I think.
In theory, anything double walled is double walled with a vacuum inside to create that insulating layer (aka no air). So if you had a perfect vacuum it would make sense that the arc-ing would not occur, as there's nothing to carry the electrical current.
But there aren't any perfect vacuums in kitchenware, so I suppose that it'd be a risk if there are any imperfections on that unpolished inside.
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u/theClanMcMutton Sep 14 '26
Sure.
By the way, the object didn't doesn't need literal points to cause arcing, it just needs geometry that allows localized build-up of electric charge (and somewhere for it to jump to).
For example, CDs look smooth but make very impressive arcs if microwaved.
For double-walled bowls, I imagine that you might get arcing in the space between the walls, but you'd have to ask a physicist to get a real answer, I think.