Complex Image Theory: Magnetic Field Tracks Football In 3-D Space

June 14, 2014 | science20

All the referees can do is pull people off and look at where the ball is, though there is no idea if that’s where it was when his knee touched the ground. A Disney Research team, in collaboration from NC State and Carnegie-Mellon, developed a system that can track a football in three-dimensional space using low-frequency magnetic fields.