from the article:
By pouring a mixture of the harmless, genetically engineered M13 virus and the metal cobalt over stamped silicon film, Angela Belcher and her colleagues created a flexible, microscopic battery that could be cheaply mass produced.
In theory, it could turn virtually any surface -- from large computers to tiny implanted detectors for cancer or heart disease -- into an energy-storing device.
"The idea of using stamping technique to produce a battery is pretty different," said Belcher. "We can make the batteries really small, which lets us put a power source on all sorts of tiny sensors."
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