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X-ray optics is the branch of optics dealing with X-rays, rather than visible light.It deals with focusing and other ways of manipulating the X-ray beams for research techniques such as X-ray diffraction, X-ray crystallography, X-ray fluorescence, small-angle X-ray scattering, X-ray microscopy, X-ray phase-contrast imaging, and X-ray astronomy.
By contrast, macro photography (short for macroscopic photography) is a term used to cover photographs where the subject appears magnified (greater than life size), strictly speaking at the film plane but in practice when reproduced as a print or on a screen, generally in the range of x1 to x10 magnification; while a Macroscope is also a ...
The Wow! signal represented as "6EQUJ5". The original printout with Ehman's handwritten exclamation is preserved by Ohio History Connection. [1]The Wow! signal was a strong narrowband radio signal detected on August 15, 1977, by Ohio State University's Big Ear radio telescope in the United States, then used to support the search for extraterrestrial intelligence.
Micro x-ray fluorescence (μXRF) is an elemental analysis technique that relies on the same principles as x-ray fluorescence (XRF). Synchrotron X-rays may be used to provide elemental imaging with biological samples. [1] The spatial resolution diameter of micro x-ray fluorescence is many orders of magnitude smaller than that of conventional XRF.
The gnome appeared as a character race in the second edition Player's Handbook (1989). [13] The gnome also appeared in the Monstrous Compendium Volume One (1989). [14] Four gnomish races – forest, rock, tinker, and deep (svirfneblin) – were detailed as player character races in The Complete Book of Gnomes and Halflings (1993). [15]
A ground-penetrating radargram collected on a historic cemetery in Alabama, US. Hyperbolic arrivals (arrows) indicate the presence of diffractors buried beneath the surface, possibly associated with human burials.
Wow had 5 Specials printed and distributed in the summer of years 1983, 1984, 1985 (this was the last special to feature a high ratio of new comic strips to reprint stories), 1986 and 1987. Wow had 3 annuals, cover dated 1984, 1985 and 1986.
MACRO main hall. The primary goal of MACRO was to search for magnetic monopoles. The active elements of MACRO were liquid scintillator and streamer tubes, optimized for high resolution tracking and timing. This design also allowed MACRO to operate as a neutrino detector and as a cosmic ray observatory. The experiment operated from 1989 to 2000. [1]