Not until you remove the foil. Don't use Gold or silver trim dishes in it either - or any other metal objects. Pretty fire display tho - wasn't it?
A bit of a burn on the wall of the cavity (the cooking space) in a microwave isn't generally a problem. Remove the foil and avoid placing metal objects back inside the oven again. Put a cup of water inside and see if it boils in a couple of minutes. If so, it is still working and you can use it until it dies naturally.
it is mature.
Its trying to intimidate its enemy
The wolf grolws with teeth bared, ears folded back and back arched to look bigger.
Remove range hood. Install microwave. Start to wonder why you did that. Put it back the way it was. Take microwave back to store and find out they won't take it back after you installed it.
because those were the trends back then
Your male guppy is female and with child.
because the heat reflects of the metal and it bounces back to the microwave and then it's like a mini explosion in your microwave!
They dumped the Arched Window for a Triangle Window. When for 20 Years The Windows Order was Square, Arched ,Round, Then it Became Square,Triangle, Round, Knowing That ABC Tv made a Mistake and that Square, Triangle, Round Didn't Belong and how it had been Square, Arched, Round for 20 Years. They Changed it Back to the Familiar Square, Arched, Round Windows Format in Mid 1987.
Heat transfer is more rapid through the foil but it's hard to keep it contained. A microwave in a plastic container is easier and faster and then simply pour excess back into container.
It could be a genetic deformity or it could be something dreadfully wrong with the fish. Whichever it is I would euthanase it.
It has a metal mesh to reflect the microwaves back into the microwave oven instead of out.