[Andrew] and his brother had some time (and a lot of ping pong balls) on their hands, so they decided to have some fun and built a remote-controlled ping pong ball turret. Arduino aside, the turret is ...

Jerry Duran is sitting at his dining room table, explaining what it’s like to man the ball turret of a B-17 bomber, and feigns like he's going to draw his knees to his chest. At 92, they don’t bend ...