Fig 1Microwave ovenDoor opens, magnetron cuts50% · magnetron on · 0:00 · 0 J · 20.0 °C
The top and far wall are opened toward the viewer for the cutaway. All values are typical for a small countertop oven; the 10% absorption rate of ice is the figure's own assumption. The 2.45 GHz standing wave is slowed to a 1.6-second pulse.