Cool tech for sure.
"This is an Accuvein vein finder. The infrared light projected by the scanner can detect the difference in hemoglobin concentration between veins and the surrounding tissue, and projects a map of the veins on the skin above them."
"This is an Accuvein vein finder. The infrared light projected by the scanner can detect the difference in hemoglobin concentration between veins and the surrounding tissue, and projects a map of the veins on the skin above them."

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