NEWARK, Calif., Feb. 7 -- Quantum Magnetics, a subsidiary of InVision Technologies Inc., has been awarded $3.49 million for the first phase of a 28-month project to develop a landmine detection system situated on a moving vehicle for the US Army. The detection system is based on one of Quantum Magnetics' core technologies, quadrupole resonance (QR). The company began developing precision QR-based mine detection sensors for the US Department of Defense more than six years ago. 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