Robots put chocolates into a box, sort apples, make salads and wield knives in chilly abattoirs, butchering carcasses without having to take a rest or visit the toilet.
Last weekend, Subash Gurung, 27, who said he was from Nepal, managed to pass through a security checkpoint at O'Hare with seven knives, a stun gun and a box labeled "tear gas" in his carry-on luggage.