26 Results for



Battery-free flashlight among Google Science Fair winners

Teens invent a warning system for approaching ambulances, banana peel bioplastics, and flu drug modeling.

By September 24, 2013


Samsung offers extended-life battery free with Galaxy Nexus

The phone maker is throwing in a free bundle with a longer-life battery and cover to protect it.

By March 27, 2012


Battery-free LED flashlight recharges in 90 seconds

At $169.99, Light for Life is one of the most expensive flashlights out there, but it's also one of the greenest. It charges up in a minute and a half, gives you up to 90 minutes of light, and can be recharged more than 50,000 times.

By June 17, 2009


A battery-free remote control

Prototype relies on kinetic energy.

By June 9, 2008


Motion-powered safety light brightens up night runs for joggers

The Million Mile Light skips the batteries and instead uses a runner's motion to power the bright LEDs.

By August 25, 2015


New Lightning-powered headphones offer sneak peek at next generation of iPhone accessories

Headphones that plug into the the Lightning port of your iPhone, iPad or iPod and draw power from it are due to hit the market soon. Here's a preview of the JBL Reflect Aware, the Philips Fidelio M2L and the Fidelio NC1L.

By January 13, 2015


Intel, SMS Audio team up on headphones that track your heart rate

The chipmaker continues its push into wearables with a new collaboration with rapper Curtis "50 Cent" Jackson's headphone company and a set of fitness-focused earbuds.

By August 14, 2014


New devices run on Wi-Fi signals alone

Engineers at University of Washington are working on a new type of tech called "Wi-Fi backscatter" that only needs a signal from a router to power up and communicate.

By August 7, 2014


Apple envisions wireless wristbands for hospital stays

The tech could be used for a disposable wristband that stores and transmits health information to your doctor's smartphone.

By August 5, 2014


Wave your hand to control smart devices -- even if it's out of sight

The new "AllSee" gesture-recognition device lets you manipulate TV signals in the air using wizard-like hand movements to control your tech.

By February 28, 2014