Magnétisme
Spectre magnétique
Limaille dans un champ magnétique
Spectre magnétique révélé par de la limaille de fer
Article mis en ligne le 7 janvier 2017
Observing Magnetic Fields with Iron Filings from the Wolfram Demonstrations Project by Enrique Zeleny
Sprinkling iron filings on a sheet of paper and bringing a magnet up close to the underside of the paper, we can see that the filings line up along the lines of force of the magnetic field, thus showing its contours.