 Later that afternoon, Professor Lufkin shows Higgins around the science lab where Dexter is working on an experiment with invisibility and another student, Druffle, explores the flight of bumblebees.That night, during a powerful thunderstorm, the lab is struck by lightning, resulting in the destruction of Dexter’s work.The next day, as Dexter examines his burnt equipment with dismay, Higgins meets with A.J.