Garmin has announced a solar version of the Instinct 2 rugged smartwatch launched back in early 2022, which promises "infinite battery life" and comes with a built-in flashlight. The Instinct 2X Solar ...

If you’ve ever tried using the flashlight on your Apple Watch, you may’ve come across this red screen. Apple has never mentioned why they included it, but it does serve a useful purpose. And that’s ...

Biologists have characterized new, unknown photoreceptors from the bioluminescent flashlight fish Anomalops katoptron. The photoreceptors known as opsins allow the fish to detect light with a specific ...