Audio & Video
Beat the Calculator
Kjartan Poskitt proves what looks complicated can be simple.
- Beat the Calculator
- 1089
- Perfect pentagon
- Fabulous flexagon
- Making Cubes
- Prime number pizza
- Numerical masterclass
- Q&A with Kjartan Poskitt
- Weather and climate
- What's Sputnik up to?
- Sue's presentation
- Health and Medicine
- Stories are people
- Storyboard
- A question from Twitter
- The Great Storm Whale reading
- Daisy on the Outer Line
- The right words in the right order

















