This clearly shows that most microwaves leak a significant amount of radiation. I know mine does. I suspect it is the glass door with the metal screen full of

This clearly shows that most microwaves leak a significant amount of radiation. I know mine does. I suspect it is the glass door with the metal screen full of holes sandwiched in the middle. This should block waves of a particular frequency but the cheap magnetron inside is undoubtedly less than perfect and generates lots of stuff that will pass through it.