The Lanthanide Series is an experimental video essay produced by Cornell alumna Erin Espelie, and its subject is the series of rare-earth metals used throughout history in the production and ...

Bruce Ravel is shown at the Beamline for Materials Measurement. Despite its rarity, promethium has a few interesting applications, including manufacturing specialized glow-in-the-dark paint, radiation ...

One of the rarest and most mysterious elements in the periodic table has finally given up some crucial chemical secrets, eight decades after its discovery. Researchers at Oak Ridge National Laboratory ...

Conceptual art shows the rare earth element promethium in a vial surrounded by an organic ligand. ORNL scientists have discovered hidden features of promethium, opening a pathway for research into ...

From the portals of personal computing devices to ancient obsidian mirrors, optical instruments control how people see, foresee, frame, record, and remember their lives. The Lanthanide Series ...

Researchers in the United States have successfully characterized a promethium coordination complex for the first time. This development could pave the way for improved understanding and applications ...

Thus, they exposed the secrets of this extremely rare lanthanide, whose atomic number is 61, in a series of meticulous experiments. Their landmark study, published in the journal Nature, marks a ...