Iron fillings showing the magnetic field of a bar magnet. The magnetic field induces magnetism in each of the filings,which then line up in the field. Although the field is actually continuous,interactions between the filings cause them to accumulate in thin arcing lines | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Degginger, Phil |
Taille de l’image : | 3680 px × 2324 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
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