Advanced radar can detect a living person 30 feet below crushed materials.
The Chameleon arm band device holds up to ten disposable cartridges that detect hazardous chemicals.
Gumby-like robot is able to squirm through small gaps under doors.
Special materials that convert differences in heat into power produce electricity from an open fire.
A software prototype uses geolocating to map the safest areas.
Another way to donate to the Red Cross has arisen, and it's as easy as buying a new song.
Once renovations are completed, the Bay Bridge will be the largest self-anchored suspension bridge in the world.
Scientists have developed a "signs of life" detector that senses chemicals exhaled by trapped people.
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