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A Pittsburgh company says its battery has the long life and cheap cost needed to be practical for energy storage.
Using atom-thick carbon instead of silicon could pack ever more data into portable electronics.
Inexpensive chips harvest mechanical energy to charge batteries for wireless sensors.
A new website could accelerate the adoption of 3-D printing.
A new computer program accurately predicts the behavior of proposed materials, which means faster development of new electronics and solar cells.
Adding solar cells to screens could prolong the battery life of many electronic gadgets.
A flexible electronic device stuck on the skin could provide irritation-free monitoring of heart, brain, and muscle activity.
An optical waveguide is an important step toward a completely new kind of computer.
In work that could improve solar cells and LEDs, researchers have, for the first time, made practical working devices out of three-dimensional photonic crystals.