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'''Electromagnetic tracking''' is 3D tracking technology that uses magnetic fields to track an object in 6 degrees of freedom. It can be extremely precise if done right.
+'''Electromagnetic tracking''' is 3D tracking technology that uses magnetic fields to track an object in [[6 degrees of freedom]]. It can be extremely precise if done right.
One company that makes electromagnetic tracking devices is [[Polhemus]].
One company that makes electromagnetic tracking devices is [[Polhemus]].