Temporary tattoo may at any time to measure the level of alcohol. Copyright of the design belongs to experts from the University of California in San Diego.
Flexible Board with a size of one centimeter is attached to the skin and slightly penetrates into its depths. During the test charge produces a small amount of pilocarpine. This drug stimulates sweating. A drop of sweat is received the device determines the alcohol content. The information is transmitted to the smartphone via a special app.
"Now the tattoo is designed for one time use. Occurs applying measurement and then recycle," says Patrick Mercier, the author of the development. In the nearest plans to make the device reusable. Note that now the cost of the fee does not exceed a few cents.