The end of the item we broadcast on iPM about Planet-Scicast featured the physics of a phenomenon known as the Magnus Effect , where an object spins and curves in the air.
If you click here, you can see it in action, while this explains what's going on and how to do it yourself.
Eddie Mair spoke to Professor Michael Reiss about Planet Sci-Cast's efforts to popularise science on the internet.
Here's a full length version of the interview:
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