Tech WondersPlay

Zone 3

Turbine Ridge

Nine lessons of about three minutes each, every one with a live demo and a quick test.

  • Mind-Bending Math & Games×3
  • Inside the Computer×2
  • Data & Probability
  • Mind & Perception
  • Images, Screens & Games
  • Energy, Heat & Motion
Play this zone
  1. 19ProbabilityShuffle Isn't RandomSpotify made shuffle less random because the real thing felt rigged
  2. 20Data StorageDeleted Isn't GoneDeleting a file usually just erases its address, not its contents
  3. 21GeometryThe Rope Around the EarthAdd one meter to a rope around the planet and it lifts 16 cm everywhere
  4. 22AttentionThe Invisible GorillaHalf of people miss a gorilla walking through a basketball game
  5. 23VideoThe Wagon-Wheel EffectWhy wheels spin backwards in videos
  6. 24GeometryThe Missing SquareRearrange the same pieces and a square appears from nowhere
  7. 25ProgrammingThe Fencepost PuzzleA 10-meter fence with a post every meter needs 11 posts
  8. 26Exponential GrowthFold Paper to the MoonFold a sheet 42 times and it would reach the Moon
  9. 27AeronauticsHow Planes Really FlyThe famous ‘longer path over the top’ explanation is wrong