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A long-studied strategy for recycling the energy used to clock computer processors is now starting to make its way into commercial chips. The approach??dubbed resonant clocking??has been integrated into Advanced Micro Devices?? new AMD A10-4600M processor. The chip, known by the code name Trinity, debuted in May and is now shipping in desktop and laptop computers.
For all their progress, computers are still pretty unimpressive. Sure, they can pilot aircraft and simulate nuclear reactors. But even our best machines struggle with tasks that we humans find easy, like controlling limbs and parsing the meaning of this paragraph. It's a little sobering, actually. The average human brain packs a hundred billion or so neurons-connected by a quadrillion (1015) constantly...
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