Synaptics' prototype pad had a grid of electrodes running across a board.

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Neither GM nor Toyota is developing an exclusively electric vehicle, but both are scrambling to develop vehicles that run for long stretches on electricity sucked from the grid, but with on-board gasoline-powered motors for backup.

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The custom-made "Metric Mystery" board is divided into a grid of 36 squares, Brendon told his rapt audience.

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Helen Mahy, one of only a handful of women General Counsels in the UK, has agreed to become chairwoman of Obelisk's advisory board when she retires from her job as group company secretary at National Grid next year.

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The gasoline engine serves as an on-board personal electric utility for when you forget to plug in to the local grid, or for ensuring a total range to match that of any conventional car you'd buy today.

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