18.5 MB (1.2 MB compressed)
2836 x 2284 pixels
24.1 x 19.3 cm ⏐ 9.5 x 7.6 in (300dpi)
VOLKER STEGER / SCIENCE PHOTO LIBRARY VOLKER STEGER / SCIENCE PHOTO LIBRARY
Postage stamp. Coloured scanning electron micrograph (SEM) of the adhesive side of a postage stamp. The left side (green) is dry, while the right side (blue) is moist. The glue on this stamp is moisture-sensitive, and only becomes sticky when dampened slightly. Magnification unknown.
Model release not required. Property release not required.