Close up of a chip (IMAGE)

University of California - San Diego

Close up of a chip

Caption

The custom chip, which is roughly the size of a grain of sand and costs only a few pennies to manufacture, needs so little power that it can be entirely powered by LTE signals, a technique called RF energy harvesting.

Credit

David Baillot/University of California San Diego

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Please credit David Baillot/University of California San Diego

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