Tech WondersPlay

Zone 24

Pixel Drift

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

  • Sound, Radio & Information
  • Computing History & Legendary Bugs
  • AI & Machine Learning
  • Mind & Perception
  • Space, GPS & Maps
  • Images, Screens & Games
  • Mind-Bending Math & Games
  • The Internet & Web
  • Security & Scams
Play this zone
  1. 208Digital Audio44,100 Snapshots a SecondDigital audio is a string of measurements, not a wave
  2. 209Internet HistoryWhy Email Uses @The first email's sender picked the one key nobody used
  3. 210AI EthicsThe Biased MirrorAI learns the unfair patterns hidden in its training data
  4. 211Perception ScienceThe Rubber Hand IllusionYour brain can adopt a fake hand in minutes
  5. 212Orbital MechanicsSpace JunkOne collision can create thousands of bullets in orbit
  6. 213Image CompressionHow JPEG Shrinks PhotosPhotos shrink by throwing away detail your eyes barely notice
  7. 214TopologyTwo Opposite Places With the Same WeatherRight now two opposite points on Earth share temperature and pressure
  8. 215Web ArchivingThe Internet's AtticHundreds of billions of old web pages are saved in one archive
  9. 216Wireless SecurityThe Evil TwinA fake hotspot can borrow the name of one you trust