It may look like an early prototype of the Power Glove, but this wearable "tricorder" is not only less embarrassing than the doomed Nintendo peripheral -- it's also quite a bit more advanced technologically. This second prototype of the medical gadget is home to a veritable arsenal of sensors, including an accelerometer, pressure and temperature modules. Eventually, Med Sensation hopes to place ultrasound pads on the fingertips, allowing physicians to peer inside the body while they poke and prod in an attempt to diagnose you. At the mom