67.4 MB (67.0 MB compressed)
5697 x 4134 pixels
48.3 x 35.1 cm ⏐ 19.0 x 13.8 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 24 at 35mm size, X 170 at 8x10- inch size.
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