Optics & Photonics News – A Film-Based Gamma Ray “Telescope”

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A team of researchers from several Japan universities has developed a balloon-borne gamma ray observatory consisting of a stack of scores of thin emulsion films. The particle traces attributable to the rays appear as tiny dots on each individual film layer. [Image: GRAINE collaboration]

In an age of instantly available, high-resolution digital imaging, it’s easy to…

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News Source: https://www.optica-opn.org/home/newsroom/2023/december/a_film-based_gamma_ray_telescope/