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  • 131Transmission electron microscopy — A TEM image of the polio virus. The polio virus is 30 nm in size.[1] Transmission electron microscopy (TEM) is a microscopy technique whereby a beam of electrons is transmitted through an ultra thin specimen, interacting with the specimen as it… …

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  • 132Curvilinear perspective — Curvilinear barrel distortion Curvilinear pincushion distort …

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