"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Although the Periodic Table of Elements is an impressive achievement of human understanding, scientists ...
Scientists have revealed key properties of radioactive promethium, a rare earth element with poorly understood applications, using a groundbreaking new method. When you purchase through links on our ...
Promethium was discovered in 1945 at Clinton Laboratories, now the Department of Energy's Oak Ridge National Laboratory, and continues to be produced at ORNL in minute quantities. Some of its ...
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