iron
Type: Concept
As of November 2026, iron has been mentioned in one podcast episode on CGP Grey (Apr 2025). Iron is used to explain ferromagnetism (aligned atomic magnetic moments) and is identified as a major component of Earth's liquid outer core driving the geodynamo.
Iron is used to explain ferromagnetism (aligned atomic magnetic moments) and is identified as a major component of Earth's liquid outer core driving the geodynamo.
| Mentioned in | 1 episode on 1 podcast (as of November 2026) |
|---|---|
| First heard | Apr 2025 on CGP Grey |
| Field | materials / geophysics |
Who talks about iron on podcasts?
CGP Grey brought up iron; the most recent mention was Apr 2025 on CGP Grey.
- Runway Numbers Explained on CGP Grey (Apr 2025) — CGP Grey