Wait...The Internet Is Made of SAND?!

How are fiber optic cables actually made? In this video, I explain how fiber optic cables are created from pure silica sand and transformed into tiny glass fibers that help power the modern internet! You’ll learn: • How pure silica becomes a glass preform• How the preform is heated and drawn into fiber • Why the fiber must be coated right away • How fibers are tested, bundled, strengthened, and protected • How a single strand can send data across incredible distances This is part 4 of a series where I break down how the internet really works in a simple and clear way! Subscribe to follow the series and learn more about the technology that powers the modern internet!