56.0 MB (3.9 MB compressed)
3784 x 5172 pixels
32.0 x 43.7 cm ⏐ 12.6 x 17.2 in (300dpi)
SCIENCE PHOTO LIBRARY SCIENCE PHOTO LIBRARY
Scanning electron micrograph (SEM) of open-cell polyurethane plastic foam used for stuffing cushions and pillows. The closed cell variety is used as insulating material in draught excluders. Magnification: X 9 at 35mm size, X 66 at 8x10-inch size.
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