
He trained his eye on distant planets, brought physics into apparel software, and turned a homemade camera rig into Styku. The useful lesson is less about invention than about noticing when the same tool has found a better job.
A physicist who once worked on NASA's human spaceflight program bet that people quit diets because a bathroom scale can't show progress. His answer: a rotating infrared camera that turns your body into data - and, lately, a health screen.