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The Internet & WebInternet History

The First YouTube Video

Nineteen seconds at a zoo started it all

The biggest video library ever built began with one short, unremarkable clip. What was in it, and how did it turn into a flood?

You'll find out

  • What the very first video shows
  • How fast the uploads piled up
  • Why your video blurs instead of stopping

Why it matters

Almost every video you watch online arrives the way this site learned to send it.

About 3 min6 interactive slides · 5 questionsLesson 129 · Zone 15

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Previous lessonThe Simplest Unsolved ProblemNext lessonThe Train That Copied a Bird

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  1. 127Auditory PerceptionYanny or Laurel?One recording, two words, and people hear different ones
  2. 128Unsolved ProblemsThe Simplest Unsolved ProblemHalve if even, triple and add one if odd; does it always reach 1?
  3. 130BiomimicryThe Train That Copied a BirdJapan's bullet train borrowed its nose from a kingfisher
  4. 131StatisticsWhat ‘70% Chance of Rain’ MeansIt isn't 70% of the day or 70% of the city
  5. 132PerceptionYour Brain Hides Your NoseYour nose is always in view, yet you never see it
  6. 133Precision MeasurementThe Atomic ClockThe most precise clocks count the vibrations inside atoms
  7. 134Satellite NavigationHow GPS Finds YouYour phone listens to satellites' clocks and does the math
  8. 135Mathematics in NatureSunflowers Count in FibonacciSeed spirals come in 34s, 55s and 89s

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