DuoSkin temporary tattoos can control your phone

By James Titcomb

DuoSkin gold leaf pattern creates a computer circuit that allows the wearer to perfom functions with technology using bluetooth. Photo / Jimmy Day
DuoSkin gold leaf pattern creates a computer circuit that allows the wearer to perfom functions with technology using bluetooth. Photo / Jimmy Day

You may soon be able to control your music's volume or change the TV channel simply by swiping on your forearm after the invention of a temporary tattoo that can be used to control a mobile phone.

Researchers at the Massachusetts Institute of Technology and Microsoft have demonstrated technology that affixes gold leaf patterns to a person's skin, creating a computer circuit.

The inexpensive material would be able to respond to touch, allowing its wearers to swipe as if on a computer's trackpad or smartphone touchscreen, to control the phone.

DuoSkin gold leaf pattern creates a computer circuit that allows the wearer to perfom functions with technology using bluetooth. Photo / Jimmy Day
DuoSkin gold leaf pattern creates a computer circuit that allows the wearer to perfom functions with technology using bluetooth. Photo / Jimmy Day

While it is not the first time that ways to create on-skin interfaces have been developed, the researchers said their "DuoSkin" system was cheaper, more comfortable and more attractive than other inventions such as copper tape.

The gold leaf circuit connects to a small chip which is able to wirelessly beam a Bluetooth signal to a device, in the same way that a smartwatch or remote control does now.

As well as acting as a remote control, the researchers demonstrated that the tattoos could also respond to the body's temperature, lighting up or changing colour when the skin heats up.

They could also contain a small NFC chip, allowing users to tap a phone onto the skin to read information or activate a feature.

The invention taps into a growing trend for temporary metallic tattoos as a fashion statement. Cindy Hsin-Liu Kao. A PhD student at MIT, said people will soon be able to walk into tattoo parlours and have a connected tattoo fitted onto their skin.

- Daily Telegraph UK

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