The Insane Engineering of Fiber Optics

Why making glass fibers to send signals was almost impossible. Sponsored by Saily - 🌎 Get an exclusive 15% discount on Saily data plans! Download Saily app go to https://saily.com/veritasium Use code veritasium at checkout ⛵ If you’re looking for a molecular modelling kit, try Snatoms, a kit I invented where the atoms snap together magnetically - https://ve42.co/SnatomsV For the latest science news, and for an exclusive bonus Q&A with Sulli, the director of this video, sign up to the Veritasium newsletter - https://ve42.co/VeMail_FO For early access to work in progress videos join our patreon