I have found that plastic does seem to sheild magnetic fields in some way The attractive force was diminished with PVC. I am not sure if it was because of some impurities of the pvc or some other factor...
marthale7 3 years ago
I have found that plastic does seem to sheild magnetic fields in some way The attractive force was diminished with PVC. I am not sure if it was because of some impurities of the pvc or some other factor...
marthale7 3 years ago