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I Ran 30 Miles Testing 5 Smartwatches to Find Out Which One You Can Actually Trust

I Ran 30 Miles Testing 5 Smartwatches to Find Out Which One You Can Actually Trust ...

A more accurate measure of calories burned: Model interprets leg motion as expended energy

Though it might feel great to finish a workout and see "calories burned" pop up on your smartwatch, that number is often surprisingly inaccurate, with estimated error rates of 30%–80%. The watch's ...
EurekAlert!

A more accurate measure of calories burned

Harvard researchers have developed OpenMetabolics, an open-source, smartphone-based activity monitor that uses machine ...
Click2Houston

Smartwatches and rings can track your heart — but your data may be sold

This American Heart Month, cardiologist Dr. Nidal Ganim explains how smartwatches and rings can track your heart health and ...

I tried out the vagus nerve stimulator that Bryan Johnson wears before bed

Wear it every night, and you might bite your fight or flight. The trendy new wearable might look simple and unassuming, but the Pulsetto FIT is packed with much more advanced health-tech than you ...

Long-term radio observations probe a relativistic binary pulsar system

Astronomers have analyzed the data from long-term radio observations of a binary pulsar known as PSR J1906+0746. Results of the new study, published February 5 on the arXiv pre-print server, deliver ...