Slideshow: Tech Company Gets Hypersensitive

An Israeli company says its sensor blows away anything available today. Some tech heavyweights are trying to get a piece of the action. By Kristen Philipkoski.
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Nexense's sensor, which the company says is 10,000 times more sensitive than those available today, uses circuitry and complicated algorithms.Courtesy of Nexense

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This pair of sensors can detect changes in vital signs and awaken a partner if someone has a heart attack or stroke.

This pair of sensors can detect changes in vital signs and awaken a partner if someone has a heart attack or stroke.

Courtesy of Nexense