I could probably do a decent talk on historical weaponry, from my stunt performing and acting days .
Could also do a job on an Alan Partridge round I reckon. And a film round, esp Indiana Jones.
These days it would be more work related stuff if anyone’s interested in how to revive a heroin...
I have little specialist knowledge but tend to absorb a fair bit of info about the things that interest me. Right now I am getting into the symphonies of Gustav Mahler. A lot of this info dissipates after a while though. my memory isn't great. I'm very much on of life's laymen.