35.7 MB (2.4 MB compressed)
4119 x 3030 pixels
34.8 x 25.7 cm ⏐ 13.7 x 10.1 in (300dpi)
SCIENCE SOURCE / SCIENCE PHOTO LIBRARY SCIENCE SOURCE / SCIENCE PHOTO LIBRARY
Iron filings align with the magnetic field between the opposite poles of a horseshoe magnet. The filings show the field in three-dimensions.
Model release not required. Property release not required.