Sugar is considered critical for achieving a smooth and silky consistency in gelato. But new technology is aiming to achieve the same results with less (or no) sugar. Irina Marwan/Getty Images hide caption
machines machines
Stories About
machines
Dishwashers have come a long way since this 1921 model, which was designed mainly to help minimize the drudgery of housework. But today's sleek models are also designed with water conservation in mind. Bettmann/Bettmann Archive/Getty Images hide caption