And then there's the joke about the golfer who buys a golfing robot because it is guaranteed to hit a 350- yard drive every time. This odd twosome hustles up a match on the first tee and bets $50 a stroke on the round. Sure enough the robot tees up and hits a laser-beam shot 350 yards, 2 inches from the lip of the cup. Soon it's the robot's turn to putt. He steps up, addresses the ball for a certain double eagle, and sure enough, he hits another laser-beam shot…350 yards. Expensive mistake. Today, robots are wheeling, climbing, and clawing their way into specialized niches in the construction industry. Now, they may not be as dumb as the