FREE classes on line
Academic Earth believes everyone deserves access to a world-class education, which is why we continue to offer a comprehensive collection of free online college courses from the world's top universities. And now, we take learning outside the classroom with our original series of thought-provoking videos, designed to spark your intellectual curiosity and start a conversation. Watch, learn, share, debate. After all, only through questioning the world around us, can we come to better understand it.
MIT Understanding Lasers and Fiberoptics full course by MIT Lasers are essential to an incredibly large number of applications. Today, they are used in bar code readers, compact discs, medicine, communications, sensors, materials processing, computer printers, data processing, 3D-imaging, spectroscopy, navigation, non-destructive testing, chemical processing, color copiers, laser "shows", and in the military. There is hardly a field untouched by the laser. But what exactly is so unique about lasers that makes them so effective?