Laser Magnetic Field Mapping

Have you ever wanted to visualize magnetic fields better?You can get a good sense of the strength and direction of a strong field by loosely holding a magnet in your closed fist, but I wasn't happy with the resolution or clarity of this method. It's too hard to discern torques from translational fo...

By: GordonKirkwood



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from Instructables: exploring - technology http://ift.tt/1rPEX1P