Recycled Laptop Batteries Bring Light to Power Poor

Researchers revealed their latest prototype contact lenses that magnify vision almost three times with the wink of an eye. Larry Greenemeier reports

Users of the K-cup coffee company’s products have counterattacked against its efforts to restrict the brands that their new machines can brew. Larry Greenemeier reports

Law enforcement agencies have handheld radar that can “see” through walls via RF signals, raising Fourth Amendment concerns. Larry Greenemeier reports

Researchers have made a secure, waterproof wireless keyboard that gets charged by the action of your fingertips as you type. Larry Greenemeier reports

SpaceX’s Elon Musk and fellow tech mogel Greg Wyler both have plans for low Earth orbit satellite networks that could fill in many of the world's current gaps in Internet coverage. Larry Greenemeier reports

Carmakers are working on ways to let drivers interact with their cars using presumably safer hand gestures and eye movement in addition to voice controls and touch screens. Larry Greenemeier reports

The social media behemoth buys voice-recognition start-up Wit.ai to prepare for the impending Internet of Things. Larry Greenemeier reports

British students made a wrist monitor that senses if you nod off and sends a signal to your DVR to record whatever you were watching. Future such devices could control additional household functions. Larry Greenemeier reports

Apple got a patent for a system to adjust your falling device in flight to minimize the damage on landing. Larry Greenemeier reports

IBM scientists in India developed an experimental power supply from reusable lithium ion cells salvaged from three-year-old laptop battery packs. Larry Greenemeier reports