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This undated synopsis from the All-domain Anomaly Resolution Office (AARO) reports on Oak Ridge National Laboratory's analysis of a layered magnesium-zinc specimen with bismuth bands. The specimen is claimed to come from a UAP crash around 1947, and some say it can reduce inertial mass. Using microscopy, spectroscopy and isotope analysis, ORNL found that the bismuth could not have acted as a terahertz waveguide. It concluded that the material was manufactured on Earth and later damaged by heat and mechanical stress.
Synopsis: Analysis of a Metallic Specimen3 (Mn). Inductively coupled plasma mass spectrometry (ICP-MS), the most sensitive analysis technique performed, additionally revealed the presence of small amounts of cadmium (Cd), thallium (Tl), gold (Au), molybdenum (Mo), tin (Sn), and barium (Ba). If a detected element abundance fell beneath the lower bound of the calibration curve or below the method detection limit, then the element is not displayed in Table 1 because that element was extremely unlikely to have been a purposeful addition to the manufacturing process.BSE200mμC Wt%050100Zn Wt%05Pb Wt%05Bi Wt%05Mg Wt%050100 Figure 3: Backscattered electron image (BSE, top left) and energy dispersive x-ray spectrometry (EDS) maps from one subsample (SEM beam energy: 30 kV), presented as estimated weight percent (minor elements not shown, so numbers will not total 100%). Carbon (C) map indicates the embedding epoxy. The magnesium matrix (Mg) is clearly visible, along with the cracks in the matrix. The zinc (Zn) map shows regions of higher and lower zinc content. At the top of the lead (Pb) and bismuth (Bi) maps, co-located layers are visible. (Figure 5 presents additional imaging of the banded element composition, showing multiple Pb–Bi layers.) Crystalline Structures TEM revealed that the crystalline structure of magnesium in the specimen was consistent with common magnesium alloy structures (Figure 4). Laser ablation ICP-MS revealed banding of the zinc components, along with layered co- location of lead and bismuth (in an approximate 1:1 ratio) in the bands. The bismuth-rich portions of the specimen lacked a clear crystalline structure, instead appearing to consist of highly nanocrystalline pockets in an otherwise amorphous matrix (Figure 4). Pure single-crystalline bismuth in a single thin layer has been postulated to have the ability to function as a waveguide, a material that can disrupt or direct an electric or energy field—in this case, terahertz waves (electromagnetic waves with microscale wavelengths). Although the damage to the specimen (including suspected heat stress) precludes a definitive statement describing the specimen’s original structure, the amorphous and nanocrystalline appearance of the bismuth in the examined layers of the current specimen likely indicates that a pure crystalline layer of bismuth was never present within the material. Moreover, the postulated structure of such a theoretical bismuth-based waveguide requires it to be in a single layer between a material possessing a different dielectric constant. However, multiple bismuth layers throughout a material have not been postulated to be capable of achieving or improving this waveguide functionality—in fact, multiple layers could instead interfere with such functionality. Thus, the layered nature of the impure bismuth within the specimen likely precludes it from acting as a waveguide (Figure 5).
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Report, from the aaro collection. The PDF is mirrored here; the original link is above. 10 pages are in the text index: search them above, or from the library's search.