Scientists have built robots that can 3D print real cake, but it might be some time before they land in your local restaurants. The scale and quality of modern 3D printers continue to amaze people around the world, with one of the most interesting ways to use these printers being the cooking (or rather, building) of edible food. Whilst scientists recently made a robot that can 3D print real cakes, it might be a few years before they become ‘restaurant-ready’. 3D-printed edible slices of cake are here if you’re hungryA team of researchers from Columbia University in the City of New York retrofi…