The direction of magnetic field lines represented by iron filings sprinkled on a piece of acrylic placed above a horseshoe magnet. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Science Source / Alexandre Dotta |
Bildgröße: | 4344 px × 3348 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |