Mobile x-ray unit made for the U.S. Army, with a "Picker X-Ray Co. / Waite Mfg. Div. . ." inscription. James Picker, a New York pharmacist who supplied x-ray plates and accessories to hospitals, ...
X-ray crystallography, like mass spectroscopy and nuclear spectroscopy, is an extremely useful material characterization technique that is unfortunately hard for amateurs to perform. The physical ...
A trip to the airport is both exciting and nerve-racking for most travelers. Dreams of sandy beaches and bustling metropolises are often perforated with visions of missed flights, lost luggage, and ...