We’ve already met the impossible burger; now, the whole country is getting the chance to get to know the impossible Whopper. 

KCBS Radio reporter Keith Menconi says Burger King is beginning a limited run of the high tech plant-based patties at locations around the country beginning Thursday. 

Programming note: For more on the future of alternative meat technology, check out this weekend's In Depth program, featuring interviews with leaders in this emerging field. Tune in Sunday at 8:30 a.m. and 8:30 p.m.