The shiny side goes IN. Unless you fear they may be using convection radio waves. In this case, place the release side out as usual, but cover the area with porkchops, boneless, of course. Make your government work FOR you. Cooking with foil and foiling government conspiracies 101.
Is it true a person can test an aluminum hat by placing it, and his head, in a modified microwave oven? If so, what timer setting should be used?