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Unclasses.org - community powered learning. Education - YouTube EDU‬‏ MIT Understanding Lasers and Fiberoptics full course by MIT Lasers are essential to an incredibly large number of applications.

Education - YouTube EDU‬‏

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?

Your Free Online School: Courses, Video Lectures, Documentaries, Images, Books and more. OpenLearn - The Open University. University of the People – The world’s first tuition-free online university. Big Picture. Learning for everyone, by everyone, about almost anything. Khan Academy.

The Saylor Foundation.