https://www.live-feeds.com/feed/the-quantified-scientist-tests-the-apple-watch-series-12-s-new-heart-rate-sensorContinuously updated, source-cited coverage. https://www.live-feeds.com/feed/the-quantified-scientist-tests-the-apple-watch-series-12-s-new-heart-rate-sensorhttps://www.live-feeds.com/feed/the-quantified-scientist-tests-the-apple-watch-series-12-s-new-heart-rate-sensor#u77768Sun, 20 Sep 2026 20:06:35 +0000The Quantified Scientist is evaluating the new heart rate sensor in the Apple Watch Series 12. This hardware update accompanies a release that The Verge describes as the start of a new wearable era and Gear Patrol calls the most compelling case to upgrade in years. The Series 12 introduces new health features and design changes, including a protruding Digital Crown and slightly larger bezels. Meanwhile, the Apple Watch Ultra 4 has launched alongside the Galaxy Watch Ultra 2, though some critics suggest the Ultra 4 offers fewer distinct advantages over standard models.Why it mattersHeart rate s