

35·
15 hours agoYou could put an airlock like metal detector door that only opens the second door, if the first door is closed and there’s nothing magnetic inside. People could still go in quickly in emergencies, but nothing that makes it worse can enter.
Microwaves have “hotspots”. They usually have a rotating platter inside, to expose the contents more evenly to it. Smaller things, can cook differently depending on placement.