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cover of the September 6, 2014 Science News

Feature

Extreme Measures

Atom interferometry's precision could make it the Swiss Army knife of physics

In spring 2010, the military plans to embark on a road trip across the country to test a new way of navigating. Instead of taking a path marked by a dog-eared road atlas, a compass, or even global positioning satellites, the vehicle will follow one mapped by supercold cesium atoms.

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