Townsend, Middlesex County, Massachusetts, United States road map, satellite view, street view, terrain map, photos... Townsend, MA is situated at 42.67Â° North latitude, 71.71Â° West longitude and 91 meters elevation above the sea level.
Time of Flight. The simplest way to think about âtime of flightâ laser scanning is to look approach it as nothing more than a laser range finder. I think we all understand how a laser range finder works. It basically measures a distance by shooting a laser beam out to an object and measuring how long it takes that laser beam to bounce back.
Best Answer: You think you want laser surgery. What they do is make the surface of the eye numb. Then they place a little ring holder thingy on the eye and it makes a flap. They lift the flap and the laser evaporates a certain shaped area under the flap.ating Newest Oldest. Best Answer: You think you want laser surgery. What they do is make the surface of the eye numb. Then they place a little ring holder thingy on the eye and it makes a flap. They lift the flap and the laser evaporates a certain shaped area under the flap. Then they put the flap back.