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50.3 MB (50.0 MB compressed)
4377 x 4016 pixels
37.1 x 34.0 cm ⏐ 14.6 x 13.4 in (300dpi)
STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY
Hearing aid battery. Coloured scanning electron micrograph (SEM) of a button cell used in hearing aids. Magnification: x10 when printed 10 centimetres wide.
Model release not required. Property release not required.