A simple smartphone camera and app could be enough to measure your blood oxygen levels at home
Widely available tools could help monitor a crucial health indicator.
Widely available tools could help monitor a crucial health indicator.
The findings offer renewed hope of finding oxygen on alien worlds.
Credit: Li/Wellman Center for Photomedicine. An interdisciplinary team of researchers has created a paint-on, see-through, “smart” bandage that glows to ...