Magnetic attraction. Iron filings in a magnetic field generated by bar magnets. The iron filings have a high permeability (the degree of magnetism in a material),which makes them strongly attracted to the magnetic field. The field itself is continuous,however interactions between the filings cause them to accumulate in thin arching lines | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Molloy, Cordelia |
Taille de l’image : | 3328 px × 4569 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |