Blue Light
Airmen at Tinker Air Force Base, Oklahoma, are illuminated by the glow of the blue light from their computer screens. Blue light blocks the brain's production of melatonin, an important chemical that helps people sleep. New lenses developed by the Navy are designed to be worn for a couple of hours before bedtime and will block the blue light, allowing warfighters to get better sleep. Air Force photo by Greg L. Davis
PHOTO BY:
Greg Davis
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IMAGE IS PUBLIC DOMAIN
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