Malcolm McCulloch, an engineering professor at Oxford University, remembers exactly when he thought up the idea behind the latest technology spin-out to emerge from British academic research.
His eureka moment came when he noticed that he was using less petrol after switching his car’s digital display from mileage to fuel consumption. Professor McCulloch felt there could be a similar drop in home electricity bills if people could see how much power each device was using. So he decided to make one.
