Your smoke alarm’s chirp can be oddly reassuring, a small sound that suggests everything is still working. Yet the device ...

Home fires kill hundreds of people and do many millions worth of damage each year, but this simple $99 device can detect ...

The Aqara FP300 is a battery-powered presence sensor with Thread and mmWave radar, giving HomeKit precise motion and ...

See Jupiter shining like the “Christmas Star” and catch a glimpse of the ISS — aka “Santa’s Sleigh” — in the early morning ...

Mixing security brands seemed like a good idea at first. Grab the cheapest motion sensor here, a random camera there, and ...

If you're willing to spend just a bit more, check out our list of favorite tech gifts under $100. Your giftee can power their ...

Robot vacuums have steadily improved their cleaning performance and object avoidance over the years, but during our testing at CNET Labs, we discovered an odd trade-off.

Yes, the iPhone 17 lacks a telephoto lens, and so if you regularly take zoomed-in pictures, this might not be the phone for ...

The Vivo X300 Pro is a serious upgrade, not a yearly refresh. The combination of the ZEISS APO telephoto camera, the huge ...

Engine cylinders can misfire due to problems with the ignition system, the fuel system, air and compression, or sensors and ...

YouTube creator and self-taught engineer Jeremy Fielding built his regenerative braking rig from spare parts, then made a ...

By the end of 2025, humanity is predicted to have made over 2 trillion images worldwide. Over 94% of these images come from smartphones and in India, where more than 97% populace use mobile phones, it ...