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- ... of the monitor there's an invisible, infrared light beam that's not visible to the baby," Dr. Pierce says. "The light beam bounces off the baby's cornea and the angle ...
- ... In a procedure that uses this technology, multiple beams of ultrasound focus on a target in the ... the focal point, the energy from the ultrasound beam causes the temperature of the tissue to rise ...
- ... Pulse oximeters clip onto a fingertip and send beams of red and infrared light through tissues such ...
- ... the flu, or a cold. Using a laser beam that crossed through the center of a very ...