Going through my archives I found this recording of a guest spot I did on Dr Karl Kruszelnicki’s science talkback show on Australian national radio station JJJ, circa 1999. I should do more of this sort of thing sometime.

Science talkback with Dr Ed, Dr Karl and Dr Sarah

Recorded Thursday 4th March, 1999.

1. Introduction
2. The electromagnetic spectrum
3. Irresistible forces, immovable objects
4. The nature of light
5. Antimatter
6. The nature of time
7. Blue skies, blue seas
8. Conclusion