
346: Pizza Wheel
From Robot or Not? by John Siracusa and Jason Snell
May 11, 2026 · 2 min · Episode 346
About this episode
The episode explores the philosophical question of what defines a knife through the lens of a pizza wheel.
Listener Ed doesn’t keep his pizza wheel in his knife, but it’s got a blade and cuts things. What makes a knife a knife?...
People in this episode
Hosts: John Siracusa, Jason Snell
Topics covered
- pizza
- kitchen tools
- philosophy of objects
- cutting instruments
- definitions
Keywords
- pizza wheel
- knife
- cutting
- kitchen
- philosophy
More episodes of Robot or Not?
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- 348: Colloquial Robot · May 25, 2026 · 3 min
- 347: Official · May 18, 2026 · 6 min
- 345: Wearable Robot · May 4, 2026 · 1 min
- 344: Look-Up · April 27, 2026 · 3 min
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