Article - 17 Jul 2001
Actinium occurs naturally in association with uranium minerals. Actinium-227 is a decay product of uranium-235. It is commercially vauable as a source of neutrons.
Article - 29 Jun 2012
The Unified Numbering System was developed by ASTM and SAE in order to correlate a number of varied numbering systems for commercial alloys and metals.This article covers rare earth metals and alloys.
News - 11 Jun 2019
Inside a narrow glass tube sits a substance that can harm or cure, depending on how you use it. It gives off a faint blue glow, a sign of its radioactivity. While the energy and subatomic particles it...
News - 16 Apr 2012
Researchers at Los Alamos National Laboratory are conducting a novel medical isotope project that will help produce at a rapid rate, significant quantities of actinium 225 (Ac-225), which is a newly...
News - 10 Apr 2018
Scientists from Moscow Institute of Physics and Technology and Skoltech have demonstrated the high-temperature superconductivity of actinium hydrides and discovered a general principle for calculating...
News - 3 Jun 2020
Neutrons - Deuterium shuffle
Scientists have found a new method to strategically add deuterium to benzene, an aromatic compound commonly found in crude oil. When applied to the active ingredient of...
Article - 18 Dec 2001
Francium is an alkali metal that occurs naturally as a radioactive decay product of actinium. While 29 isotopes have been identified, knowledge and properties are scarce, owing to its instability.
News - 23 Feb 2017
Little is known about the heaviest, radioactive elements in Mendeleev’s table. But an extremely sensitive technique involving laser light and gas jets makes it possible for the very first time...
News - 25 Mar 2021
Heavy elements known as the actinides are important materials for medicine, energy, and national defense. But even though the first actinides were discovered by scientists at Berkeley Lab more than 50...
News - 23 Nov 2006
The periodic table of chemical elements hangs in front of chemistry classrooms and in science laboratories worldwide. Yet much was unknown about its history and evolution until now.