Tag Archives | detection


Quake detection gets cheap and cheerful

In the same vein as the SETI@home project, the Quake Catcher Network (QCN) aims to operate a massive seismic event detection network using the sudden-motion sensors that are incorporated into laptop computers. These small accelerometer chips are designed to protect the delicate moving parts of your hard disk from sudden jolts, but it turns out […]

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Rethink E.T. Message Detection Says Prof

E.T. might be better off writing than phoning, according to Christopher Rose at Rutgers University. Rose says that inscribing information and physically sending it to a location in space is more energy-efficient than sending it out on radio waves. “Think of a flashlight beam,” Rose says. “Its intensity decreases as it gets farther from its […]

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