The U.S. Naval Research Laboratory (NRL), in partnership with NASA's Marshall Space Flight Center (MSFC), has developed ...

Gamma rays are much shorter in wavelength than visible ... Astronomers have sent x-ray telescopes into orbit to scan the sky, to catch the first x-ray afterglow of a burst as soon as possible.

This database offers a variety of tables for all natural elements and includes the following data: isotopic composition, thermal radiative cross section (total and partial), Westcott g-factors, energy ...

Since the donation of a SPECT camera by the International Atomic Energy Agency (IAEA), a busy hospital in Brazil’s city of Niteroi has doubled its capacity to perform heart scans, expanding access to ...