A Revolution In Medical Imaging

Digirad's 50-pound device could replace 3,000-pound gamma-ray cameras

Cell phones on chips. Cameras on chips. It's amazing how many complex systems have been shrunk onto tiny slices of silicon. But in three decades of high-tech diminution, there has been one stubborn holdout: The nuclear-detection devices doctors use to diagnose cancer and arms experts require to monitor nuclear weapons.

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