This temporary ‘tattoo’ keeps tabs on your blood alcohol levels and can call police if you are over the limit

Researchers at the University of California, San Diego, have developed new technology that could enable doctors and police to accurately measure blood alcohol levels through a temporary tattoo worn on the skin.
Developed by Joseph Wang and Patrick Mercier, the pair created the tattoo device to enable people to monitor their alcohol levels quickly and conveniently to help prevent driving under the influence, a common cause of road accidents.
Read more: This temporary ‘tattoo’ keeps tabs on your blood alcohol levels and can call police if you are over the limit