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New technology uses metal detectors in the wild.
A device that detects electrical signals could be used for chemical monitoring.
A wireless-sensor network to report pollution and traffic comes to Cambridge, MA.
Cheaply churning out made-to-order DNA could revolutionize molecular biology.
An array of zinc-oxide nanowires that generates current when vibrated with ultrasonic waves could provide a new way to power biological sensors and nanodevices.
Tiny rubber bands can power microrobots that could serve as ultrasmall sensors.
A new device, with sensors the size of human cells, can measure, record, and assess the risk of radiation emissions in real time.
Zinc-oxide nanowires that respond electrically when bent could be used to measure minute forces and pressures.
Researchers are developing a cheap sensor array that distinguishes the breath of patients with lung cancer.
Three-inch robot protects the grid.