Google’s first smartwatch debuted just four years ago, and at the time, the company went to great lengths to stress the accuracy of the Pixel Watch’s heart rate sensor. Even if Google was late to the wearable party compared to peers like Apple and Samsung, that focus on heart rate seems to be paying off
A laser beam tracks the motions of the tiny magnet suspended in a vacuum chamber as it wobbles in response to magnetic fields.Credit: Wei Ji, Peking University Scientists have turned a levitating magnet into a device for measuring magnetic fields, known as a magnetometer — one that is sensitive enough to detect the faint signals
Molecules released in the breath can indicate whether the body is burning fat.Credit: Pet/Getty A portable breath test can accurately measure when the body burns fat in real time1. The device could be used by people trying to monitor weight loss without having to wait weeks to see a change on the scale, although researchers
Read this press release in Spanish here. How do black holes in the centers of galaxies form and grow over time? To answer this question, scientists need to detect and study supermassive black holes at great distances, which existed much earlier in the history of the universe. New research suggests that NASA’s Nancy Grace Roman
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