They deliver a shock through the pet's collar if it crosses a boundary, such as a wire buried at the edge of a garden.

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When a current flows in such a wire, the electrons that flow as electricity are forced to align their spins to those of the local atoms embedded in the wire.

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Lucent's 30, 000 techies work on such advances as plastic fiber flexible enough to wire your home, a new over-the-air laser system for local optical transmission and routers with mind-boggling capacity.

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He described it as a hybrid turret with slightly reduced functionality but capabilities such as private wire, ability to set up and join intercoms, monitor and drive speakers and do instant messaging to portfolio managers and compliance.

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North American and European customers have been using the service quite a lot as well especially for small transactions that would otherwise be too expensive to conduct through means such as international wire transfers.

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