I ate a field roast for dinner last night, because I am a vegetarian and those are the types of things we eat (carnivores often wonder). A field roast sort of tastes like meat and sort of looks like meat--but it's made of three vegetables and a grain, so not really. Still, no bunnies died in its making, except maybe when the underpaid field worker harvested all the carrots to make my roast. I thought the field roast was the ultimate in meat technology (note: fakin' bacon? Not good technology), until I came across this Wired News story about a...