The word laser started as an acronym for light amplification by stimulated emission of radiation. In modern usage, the term light includes electromagnetic radiation of any frequency, not only visible light, hence the terms infrared laser, ultraviolet laser, X-ray laser, and so on.
Every year at the Augusta National Golf Club in Augusta, Georgia, players on the PGA Tour compete in the annual Masters Tournament, one of the four major tournaments in professional golf, but Gary Player holds the record for playing the Masters Tournament the most times, at least completing the first two rounds of 52 of the tournaments.
In fact, Obama is the 15th of the last 18 presidents to play golf. Not only is he a hugely avid golfer, but a pretty fair one, too. As far as how much time he spends on the links, his annual rate of play is about the same as President Dwight D. Eisenhower, with President Bill Clinton right on their heels. It's clear, the presidency and our great game have quite a thing going.