Amazfit Active Max adds BioCharge, a real time energy and readiness score that changes with workouts, stress, and activity.

Media: What if you could charge double-As with the same cord as your phone? That’s a thing, and these 1.5V lithium-ion Zepath batteries are surprisingly good! Don’t throw away your Eneloops yet, as ...

ACDelco batteries cost a fraction of the cost of name brand batteries, but are they really even worth it at that price point? Here's what buyers say.

Abstract: A flexible RF receiver is introduced that uniquely uses CW-modulated clocks for the down-conversion mixers in its mixer-first and low-noise transconductance branches, thereby enabling tuned ...

Clocks tick faster on Mars than they do on Earth, in part because Mars experiences less gravitational pull from the Sun. Now scientists have calculated just how much faster — 477 microseconds, on ...

The production version of the Sierra is electronically limited to 190 km/h. Tata Motors has released a video demonstrating the performance of the new Sierra. The high-speed run was conducted at the ...

Thanks to a speed-up of Earth's rotation, the length of the astronomical day and the length of the clock day aren't quite matching up. Eventually, international timekeepers may need to subtract a ...