Wearable technology: Google ‘vampire watch’ sucks blood without using a needle – TomoNews

MOUNTAIN VIEW, CALIFORNIA — Speculation that Google’s next piece of wearable technology will be a blood-sucking smartwatch that helps diabetics monitor blood-sugar levels is growing after the tech giant filed a patent application for the device. The gadget described in the patent works by pricking the finger and drawing blood without using a needle. A…

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