It's Royal Society of Chemistry podcast time again, and in this podcast I'm dealing with a slippery customer.

PTFE - or teflon if you prefer was not invented. It was discovered by accident. And, in case you've heard otherwise, it wasn't a spin-off of NASA's space effort - they used PTFE, but it had been produced for years before NASA was even formed. And as for the involvement of a French housewife... Take a listen.