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'''Electromagnetic tracking''' is 3D tracking technology that uses magnetic fields to track an object in 6 degrees of freedom.

'''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.

EM tracking was used by Neuralink to track monkey muscle movements internally to gather data.

EM tracking was used by Neuralink to track monkey muscle movements internally to gather data.