A tiny doughnut-shaped chip that attaches to the end of a catheter could improve the way doctors peek inside our circulatory systems.
Turning the flashlight off on your iPhone using Control Center is so 2013. Instead, use this helpful tip to quickly turn it off.
One of Android's most popular and highly rated apps has been sharing user location and ID data without their consent, according to a US regulator.
While you're trick-or-treating with your kids this Halloween, your hands will be full with candy bags and a camera. Who has room to carry a flashlight? Make your smartphone do double duty and download one of these flashlight apps. CNET's Kara Tsuboi reports on her favorites in this Tech Minute.
Teens invent a warning system for approaching ambulances, banana peel bioplastics, and flu drug modeling.
Three researchers helped revolutionize lighting with vastly better energy efficiency and brightness. The light-emitting diodes also are used in data storage, TVs and smartphones.
With up to 1,600 lumens, this compact LED on Indiegogo goes on anything from bike helmets to backpacks and cameras.
A Google Science Fair finalist built a hand-warmth-powered flashlight prototype that needs no batteries.
Stick the Phosforce lens on your Arctic laser and you've got a powerful flashlight. Take it off and you can annihilate balloons with the laser.
The sights and sounds of Le Mans, the epic race that takes place once a year, for 24 hours. There's nothing like it. Here's what it's like to be there.