Testing for magnetism. A horseshoe magnet separates steel nails from copper nails. Steel (alloy of iron) is ferromagnetic while copper is not. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Turtle Rock Scientific |
Bildgröße: | 3388 px × 5137 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |