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KAIST patch lets astronauts apply eye drops without gravity
KAIST patch lets astronauts apply eye drops without gravity SEOUL, October 21 (AJP) - Putting in eye drops on Earth takes little more than tilting the head back, but in space a drop never falls into the eye. Researchers in South Korea have built a wearable patch that pushes medicine into the eye with gas from a reaction between vitamin C and baking soda, so the process no longer depends on gravity. KAIST said Wednesday that a team led by Jeong Ki-hun, a professor in its Department of Bio and Brain Engineering, developed the patch with a te October 21, 2026