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Smart tattoos turn your skin into a health tracker

There’s a common problem with health-tracking devices like smartwatches: they’re not really attached to you, which leaves you relying on a short-lived battery and a wireless connection. Even a self-powered patch has its limits. That’s where Harvard and MIT think they can help: they’ve developed smart tattoos that effectively place health sensors in your skin, no power or wireless link required. The ink in the tattoos reacts to the chemical composition of your interstitial fluid, which reflects the state of your blood. A green ink grows more intense to let athletes know when they’re dehydrated, while another green ink turns brown to warn diabetics when their glucose levels go up.

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featured blogs
Jun 12, 2025
We truly do live in a world that would have been considered to be a far-flung science fiction future only a few short decades ago...

featured paper

Shift Left with Calibre Pattern Matching: Trust in design practices but verify early and frequently

Sponsored by Siemens Digital Industries Software

As integrated circuit (IC) designs become increasingly complex, early-stage verification is crucial to ensure productivity and quality in design processes. The "shift left" verification approach, enabled by Siemens’ Calibre nmPlatform, helps IC design teams to identify and resolve critical issues much earlier in the design cycle.

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Enabling Tomorrow’s Sensor Applications Today
In this episode of Chalk Talk, Maureen Rakotondraibe from Sensirion, Tom Bocchino from STMicroelectronics and Amelia Dalton explore the synergies between STMicroelectronics and Sensirion and how their complementary technologies can encourage innovation in home automation and indoor air quality application design. They also investigate the details of STMicroelectronics new TMOS infrared sensor, the challenges associated with indoor air quality testing, and how you can take advantage of this innovative partnership for your next design. 
Jun 12, 2025
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