Upcycling. It’s the word of the moment. Can we create something useful out of stuff we usually throw away? In the cheese business, whey is a headache. For every pound of cheese, a creamery has roughly nine pounds of whey to get rid of. Sometimes a neighboring farmer will feed it to livestock or spread it on fields. But solutions for whey fall far short of the need. What if, as one young entrepreneur proposed, you could distill it?