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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 optica