Although billed as a balancing robot, [Aaed Musa’s] robot doesn’t balance itself. It balances a ball on a platform. You might recognize this as something called a Stewart platform, and they ...

Do you draw a line on your golf ball or buy golf balls that have lines on them? Lines on the ball, drawn or purchased, help the golfer line up a putt or even a tee shot. Golfers who use the line ...

What is playability? David McLay Kidd says start with being able to find your golf ball, but don't leave out the interesting features.