42.5 MB (15.9 MB compressed)
4686 x 3168 pixels
39.6 x 26.9 cm ⏐ 15.6 x 10.6 in (300dpi)
TED KINSMAN / SCIENCE PHOTO LIBRARY TED KINSMAN / SCIENCE PHOTO LIBRARY
Fragment of an Abalone shell; colour enhanced scanning electron micrograph (SEM) of a section through an abalone (Haliotis sp.) shell. The shell is composed of layers of overlapping platelets of calcium carbonate crystals, or aragonite, Between the layers are thin sheets of protein (not seen). This structure makes the shell much stronger than the materials would be in any other arrangement. Abalones are edible mollusks found in warm seas. The thin layers of shell reflect light using the wave nature of light. Each thin layer reflects a particular wavelength -- together the layers reflect wavelengths of x4000 when printed at 10 cm wide.
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