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.
CT scan facts. 1  CT scanning adds X-ray images with the aid of a computer to generate cross-sectional views of a patient's anatomy. 2  CT scanning can identify normal and abnormal structures and be used to guide procedures.  CT scanning is painless and often performed in the outpatient setting.