A prototype device shows that measuring electrical resistance of tissues within the wrist could reliably identify someone.
New technology could be twice as efficient at converting sunlight to electricity.
The Fire Phone’s Firefly feature could make visual search easier, better, and more popular.
Research suggests that surveillance agencies could use statistical tricks to peek through the encryption that protects Web browsing.
A new wearable sensor listens for sounds that betray your activity and mood.
Mobile e-commerce is booming, and an Amazon phone will foster a captive customer base.
Solar City’s acquisition of a solar-panel startup could help it lower installation costs and produce inexpensive solar power, but it’ll need more production capacity.
Bitcoin may need to be redesigned to fix a flaw that gave one company a chance to manipulate the cryptocurrency.
In a remarkable study, a paralyzed woman used her mind to control a robotic arm. If only there were a realistic way to get this technology out of the lab and into real life.
A new automated version of one of neuroscience’s most important techniques, patch clamping, makes it much easier and faster for scientists to tap into the inner workings of brain cells.