Your own personal poison-snooper as a wearable skin patch
An alcoholic drink will give you a buzz, but if someone laced it with something dangerous, a new poison-snooping patch will buzz your skin to warn you. It can also detect heavy metals in water and toxic aerosols, and can work as an e-skin for robots.
Erim Uzunoğlu, first author of a Device paper and a PhD student at North Carolina State University, explains that his team was trying to create a real-life version of a poison-snooper from Dune, or a wearable version of a Finnish device for detecting invisible but dangerous amounts of cyanobacteria.
“We wanted to miniaturize sensors and incorporate them into a wearable patch to identify any potential risks to the wearer,” says Uzunoğlu, referring to existing devices that can already “detect environmental hazards and send notifications to your phone.” Those risks include heavy metals in water, dangerous gases, and toxic aerosols.
Following detection, the NCSU...
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