The New York Times on fantastical kitchen gadgets that don’t yet exist, like the Shape-Shifting Knife, with a handle which reshapes itself to fit your hand; the Qube Toaster, which has hinged cradles for retrieving larger items like bagels; the Nutri-Terra Indoor Composter; and the Swirlet Ice Cream Scoop (pictured at right), which is a set of pincers which is to be used to extract perfect spheres of ice cream from cartons.