One of the first things that a 3-D printer will make will be a house made possible by wireless electricity.

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They illustrate her wide-ranging interests (from e-commerce to wireless electricity), as well as her throw weight in Silicon Valley (not everyone gets to co-invest with Andreessen Horowitz or to back Jack Dorsey).

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As Gittleman sees it, we are surrounded by electronic devices, electricity, transmission signals and wireless devices.

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The new meters send electricity and water usage reports via wireless network, but in Santa Clara, a city of 118, 000 in the heart of the Silicon Valley, they also have an unusual separate channel that provides free, outdoor Internet.

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The final few hundred metres to the house will be crossed with a wireless connection, using transmitters mounted on Tepco's electricity poles and tiny receivers plugged into a subscriber's personal computer.

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Gil Perez is president and chief executive officer of Arcadian Networks, a wireless broadband access provider for critical infrastructure organizations, such as electricity utilities, oil and gas companies as well as other market players.

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This is what the online computing revolution has become, a giant electricity hog of Internet searches, phone calls, blog posts, wireless downloads, bank transactions and office documents.

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With more than 700 patents to his name, Tesla invented radio, the coil transformer, wireless communication, fluorescent lights and the alternating-current motor, which allowed electricity to flow over long distances.

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