Technology Quarterly | One ring to rule them all
Wearable devices measure a growing array of health indicators
They can detect a disease before it develops
ON THE OUTSIDE, the Oura ring looks rather ordinary, indistinguishable from a chunky wedding band. But a faint green light that intermittently leaks out from the gap between finger and ring suggests that it is not just jewellery.
This article appeared in the Technology Quarterly section of the print edition under the headline “One ring to rule them all”
From the May 7th 2022 edition
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