Colour enhanced image of the magnetic lines of force of a horseshoe magnet,demarcated by iron filings on paper | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Bell Labs / Science Source |
Taille de l’image : | 3570 px × 2440 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
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