When German physicist Wilhelm Röntgen discovered X-rays in the late 1800s while experimenting with cathode ray tubes, it was a breakthrough that transformed science and medicine. So much so that the ...

SCREENING and spin doublets in X-ray spectra are matters of great significance. The formation of these doublets in X-ray diagram lines is now well known and has received satisfactory theoretical ...

REISTERSTOWN, MD — September 2025 — Circuit Technology Training Inc. (CTTI), a leading IPC training group, is excited to announce the launch of its new Introduction to X-ray Inspection course. This ...

OWING to a number of unforeseen circumstances, mostly beyond our control, an incorrect version of part of our communication under the above title was printed in Nature of December 22, 1951. Our main ...

Proceedings of the Royal Society of London. Series B, Biological Sciences, Vol. 144, No. 917 (Mar. 13, 1956), pp. 450-459 (16 pages) Filaments of the red alga Griffithsia flosculosa have been examined ...