? Cut a thick piece of meat that's been microwaved. You see complex red/brown variation, because microwaves penetrate. Its not all cooked from the inside, but its different from a conventional heat oven in that there's some cooking from the inside.

Its easy to write sophomoric puff pieces about how we had it all wrong. Just assume an Aristotelian posture of black/white 'facts' and show its actually grey. Voila!