Fish of the Day
I don't know about the original question, but it has generated some useful info. For instance, it's good to know that a death grip doesn't add anything to the force of your shot, so you're free to use whatever grip suits you best for other reasons.Gotta ask, why is this important? Played for 40yrs and never seen this asked.
I think most of what people think of as "pool science" info is valuable mostly in this passive way - it isn't stuff you obsess over or even think about while playing; it's "background" info that informs and supports how you practice, learn, visualize and, as a result of that, play.