Unless, of course, there is a morsel of morality hidden within each interaction, waiting to be unlocked. Once we figure out ...

Our physics expert picks his top-five equations, plus a scheme to supply US power needs with a bucket of baseballs. Thanks, Einstein!

Ultimately it comes down to five pieces which pros try to fit together to uncover the perfect number. We talked to pros and caddies, and dove into the research to explain how much each of these pieces ...