Where's That Vein? New Tech Projects a Map over Your Skin...
(Image: Australian Red Cross Blood Service)You wan... ...e effectively than the human eye.The system is an infrared light that senses the hemoglobin in the blood and proje...
https://www.neatorama.com/2014/11/02/Wheres-That-Vein-New-Tech-Projects-a-Map-over-Your-Skin/
