This 1950s Futuristic Food Truck Could Bake Bread in Just Nine Seconds

These days you can get just about anything from a food truck: pulled pork waffles, cheeseburger sushi, and even snail lollipops. But how about freshly baked bread, made to order in just nine seconds? That was the vision of a 1956 ad for, of all things, ball bearings.