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Greg Fischer, assistant professor of mechanical engineering, is developing robotic systems that will allow surgeons to operate with the guidance of real-time MRI (magnetic resonance imaging) images. Robots under development will precisely place electrodes for deep-brain stimulation and the insert radioactive pellets to treat prostate cancer. The interior of an MRI scanner, which uses strong magnets and radio waves, is a difficult environment for robots, which cannot be made of metal or use electronic components.

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