New wearable detects alcohol in bloodstream

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This is part of a series of articles that looks at entrepreneurs hoping to get their ideas off the ground through crowdfunding. At the time of writing, each of these innovations is currently seeking funding.

DermaTec’s OnusBlue alcohol detection patch is worn directly on the skin, much like nicotine patches worn by smokers. The difference is that instead of releasing a product into the wearer’s body, the OnusBlue patch changes color depending on the amount of alcohol that has been drunk. From white to very dark blue, the patch moves through a range of shades of blue, allowing wearers to tell at a glance when they need to book a cab or get a lift with a friend. The patch works by analyzing the contents of the body’s sweat, and the company’s goal is to…

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