Biologists have long dreamed of a microscope capable of imaging specimens in their natural state, at molecular or near-molecular resolution. Physicists have for some years known that the soft-x-ray photon has properties that suit it for use as a probe in such microscopy. With the advent of synchrotron radiation sources, and with other technical advances, the difficulties that impeded the development of soft-x-ray microscopy have begun to give way, and in 1983 the technique produced the first images ever obtained of a living cell at a near-molecular resolution of 75 Å.
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Howells et al. (1985) studied this question.
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