The 'temporary tattoo' that will warn you if you are too drunk to drive

A new kind of'temporary tattoo' could help prevent drunk driving incidents, researchers claim. Scientists have created a disposable sticky circuit board, which can be applied to the skin, to measure a wearer's alcohol levels. These results are then sent to wearer's smartphone to tell them if they have had one too many drinks. The disposable sticky circuit board (pictured), which can be applied to the skin, is able to measure a wearer's alcohol levels, before sending a result to their phone to tell them if they are intoxicated The device comprises a tattoo that sticks to the skin and a magnetic circuit board that attaches to it. Silver and silver chloride electrodes are printed onto commercial tattoo paper, which generate a small amount of current for five minutes.