Strap-down inertial navigation systems. (a) Mock-up of system based on laser gyro technology. The three laser gyros, hermetically sealed, are on the left (Honeywell). (b) 130-cm3 (8-in.3) system that uses silicon MEMS technology (Draper Laboratory).
A male patient in a hospital intensive care unit bed. Often, the intensive care unit is a crucial aspect of critical care medicine, providing life-support systems that ensure a patient's survival. (Credit: Martin Barraud/age fotostock)