Lenovo faces challenges before its solar laptop becomes a reality and is put in consumers' hands. One of the big ones is heat ...

X outlines how ambient gamma radiation can be harvested to generate electricity for microelectronics. The prototype battery, measuring just four ...

If you have seen or used a Ring Video Doorbell before you'd be hard pressed to find any visible differences. It has the same button as all other battery models, surrounded by a glowing LED light ...