While you might think of hula hoops as a game for children they’ve found a new use—helping farmers calculate soybean populations. With no need for a tape measure, this method could save time and help ...

LOS ANGELES — Richard "Rich" Knerr is being remembered this week for creating a multimillion-dollar company out of slingshots, flying saucers and spinning hoops. Knerr and his partner, Wham-O ...