Whether it is cricket or physics, imagined scenarios can expand the limits of our understanding

Exploring contrived extremes isn't pointless, but it's best done as a thought experiment

It is lunchtime. England face Sri Lanka in the second test, and the radio commentary is on as we eat. The cricketers are also at lunch, but the commentary from BBC Test Match Special continues with an 'Ask the Umpire' session, in which bizarre and unlikely cricket scenarios are postulated,

A batsman hits the ball in the air towards the stumps, it grazes the bowler's fingers, hits the stumps (with the non-striker out of his ground) and loops up into the air and is caught at mid-on. Who's out?