Original sentence: The ads were sufficiently popular to be played for some years after his death, included demonstration of real principles of physics, albeit briefly.While in Australia Miller also appeared in ads for non-stick saucepans and Ampol Petroleum
Edited sentence: " While in Australia Miller also appeared in ads for non-stick saucepans and Ampol Petroleum.The ads were sufficiently popular to be played for some years after his death, and since he was demonstrating real principles of physics (albeit briefly) they never damaged his credibility