At last week’s iPLEX lunch, Maarten Roos of Lightcurve Films (opens in a new tab), an astrophysicist turned professional science filmmaker, described his transition from working behind the telescope to behind the camera and demonstrated his use of film as a tool for educating and informing the public about science. Along with the lecture, Maarten’s composer, William Zeitler (opens in a new tab), played one of the least heard musical instruments in the world: the glass armonica.