The researchers used standard lithographic techniques to make a narrow loop of cobalt wire that they placed on a silicon chip.

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Now, I have to make a crazy loop through the airport and get out the access road to overflow.

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"He would make a big funny loop off the usual route and we knew it was time to start locking down on him, " she said.

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"If you shorten the feedback loop between the moment a crime occurs and the point you become aware of it, you make communities safer, " he says.

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