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Fields are absolutely physical - physical contact is due to the interaction of electromagnetic fields, for example.
by danparsonson 2y ago
Fields are absolutely physical - physical contact is due to the interaction of electromagnetic fields, for example.
- mensetmanusman 2y agoIt’s interesting, because there are textbooks that say the magnetic field lines aren’t real, but are a good visual of what happens when a magnetic particle is there…
- danparsonson 2y agoYes field lines are just an indicator of where the field is - a bit like how maps have contours showing height above sea level; those contours aren't physical things but they describe the physical environment in a schematic way.