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The hidden network that makes the internet possible - Sajan Saini

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TEDEd Animation

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In 2012, a team of researchers set a world record, transmitting 1 petabit of data— that’s 10,000 hours of high-def video— over a fifty-kilometer cable, in a second. This wasn’t just any cable. It was a souped-up version of fiber optics, the hidden network that links our planet and makes the internet possible. What is fiber optics, how does it work, and how is it evolving? Sajan Saini explores the vital technology.

When a ray of light inside glass hits its surface at an angle, what happens to the ray when it exits into air?

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Meet The Creators

  • Educator Sajan Saini
  • Director Igor Coric
  • Narrator Addison Anderson
  • Animator Nemanja Petrovic
  • Producer Milica Lapcevic
  • Sound Designer Nemanja Petrovic
  • Director of Production Gerta Xhelo
  • Editorial Producer Alex Rosenthal
  • Associate Producer Bethany Cutmore-Scott
  • Script Editor Alex Gendler
  • Fact-Checker Brian Gutierrez

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