Tech WondersPlay

Zone 14

Neural Nexus

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

  • The Internet & Web×2
  • Mind & Perception
  • Space, GPS & Maps
  • Mind-Bending Math & Games
  • AI & Machine Learning
  • Energy, Heat & Motion
  • Engineering & Machines
  • Data & Probability
Play this zone
  1. 118NeuroscienceHow Fast Are You?Reacting to a light takes about a quarter of a second
  2. 119AstronomyThe Sun Is WhiteIt only looks yellow through our atmosphere
  3. 120NumbersFind Your Birthday in PiPi's endless digits almost certainly hide every date
  4. 121Mobile MessagingWhy Texts Were 160 CharactersAn engineer counted the letters on postcards
  5. 122Social MediaWhy Tweets Were 140Twitter left 20 characters of every text message for your name
  6. 123Language ModelsThe Word-Guessing MachineChatbots write by predicting the next word, again and again
  7. 124OpticsWhy the Sky Is BlueAir scatters blue light far more than red, and sunsets are the leftovers
  8. 125MechanicsGearsTrading speed for force is how bikes climb hills
  9. 126StatisticsThe Bell Curve MachineBouncing balls always pile up into the same shape