DR JEREMY BURGESS / SCIENCE PHOTO LIBRARY DR JEREMY BURGESS / SCIENCE PHOTO LIBRARY
False-colour scanning electron micrograph (SEM) of the collar of a pure cotton shirt after it has been washed in an automatic washing machine at 50 degrees C (medium wash) with Daz washing powder. The woven cotton threads, which themselves consist of many sub-threads, are completely clear of any grease or dirt. Compare with H120/042, which shows the same piece of collar before washing. Magnification: x16 at 35mm size. Reference: MICROCOSMOS, figure 9.4, page 177.
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