Zone 25
Circuit Grove
Nine lessons of about three minutes each, every one with a live demo and a quick test.
- Codes, Cryptography & Blockchain
- Quantum & Relativity
- Energy, Heat & Motion
- Inside the Computer
- How Data Travels
- Images, Screens & Games
- Engineering & Machines
- Algorithms & Emergence
- Data & Probability
- 217Secure MessagingEnd-to-End EncryptionEven the messaging company can't read your messages
- 218CosmologyThe Big Bang on Your Old TVPart of analogue TV static is the oldest light in the universe
- 219Thermal RadiationThe Color of HeatHot things reveal their temperature through the color they glow
- 220Operating SystemsThe Spinning Beach BallOne busy task can freeze an entire app
- 221Home NetworkingOne Address, a Whole HouseYour router hides every device behind a single public address
- 222PhotographyWhite BalanceCameras guess the color of the light to make white look white
- 223Materials ScienceMetal With a MemorySome metals return to their shape when warmed
- 224AlgorithmsHow Maps Find Your RouteYour navigation app explores outward like a ripple
- 225MathematicsFinding Pi With NeedlesPi appears in a game with no circles at all