Free electron X-ray lasers deliver intense, ultrashort pulses of X-rays, which can be used to image nanometer-scale objects in a single shot. When the X-ray wavelength is tuned to an electronic ...
AFTER perusing an account, in a recent number of the Scientific American, of Edison's Tasimeter, it occurred to one of us to apply it to detect, and, if possible, to measure the elongation and ...
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