How do you create a new invention? What is the process like? View this archived program to learn directly from inventors. Meet Dr. Samuel Achilefu, professor at Washington University in St. Louis and inventor of cancer goggles that are changing the way surgeons are able to operate on cancer patients. And meet five St. Louis area middle school students who were honored at the White House Science Fair for their creation of an environmentally friendly process for Styrofoam recycling and an environmentally friendly adhesive.