The Today Programme this morning broadcast a classic debate of its kind: ignorant rich-boy activist “Zac” Goldsmith argued for immediate restrictions on nanotechnology while northern working-class Nobel Laureate Prof Harry Kroto, patiently explained that it’s just chemistry. “Zac” buttressed his case with the support of speculation by experts in the field like Michael Crichton.

If you have RealPlayer, you too can find out “why [Brenda's son] Prince Charles thinks tiny robots threaten the world” [scroll down to the relevant link].