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How do hard drives work? - Kanawat Senanan

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The modern hard drive is an object that can likely hold more information than your local library. But how does it store so much information in such a small space? Kanawat Senanan details the generations of engineers, material scientists, and quantum physicists who influenced the creation of this incredibly powerful and precise tool.

Ever increasing areal density means more storage capacity at lower costs. Give a few examples of how having cheap and large storage capacity has changed (or can change) the quality of our lives.

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About TED-Ed Animations

TED-Ed Animations feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed Animation? Nominate yourself here »

Meet The Creators

  • Educator Kanawat Senanan
  • Animator Franz Palomares
  • Composer David Obuchowski
  • Script Editor Alex Gendler
  • Narrator Addison Anderson

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