POCT in a Lab Setting Point-of-Care Kiosk in the ED ED Cardiac Length of Stay 351 297 388 367 0 100 200 300 400 500 Admitted patients Discharged patients Minutes Before POCT After POCT Lewandrowski K. Mass General Hosp., Dark Report, 8/13/01.
What is a GPS? How does it work? The Global Positioning System (GPS) tells you where you are on Earth. Itâs eleven oâclock ... do you know where your kids are? Would you like to? One way to track them would be to have a GPS receiver installed in the car! The GPS, or Global Positioning System, is one of the hottest technologies around, and no wonder. Consider these diverse uses: Minnesota scientists use GPS to study movements and feeding habits of deer.
Subjects: Technology. A NASA expert explains why GPS needs 24 satellites to work. He explains how trilateration works with a two-dimensional model. Then the expert shows how the information from four satellites can identify an exact location on Earth.