The modern periodic table, arranged in rows and columns, was first introduced by Dmitri Mendeleev in 1869. At the time, it included the known elements and their properties, but Mendeleev predicted ...

We present a general method for solving the modified Helmholtz equation without shape approximation for an arbitrary periodic charge distribution, whose solution is known as the Yukawa potential or ...

The periodic table of elements (often known simply as the periodic table) has been helping scientists with their work for a little over 150 years. The handy visual reference guide organizes known ...

Some elements in the periodic ... charge, so semiconductors of this type are called negative-type or N-type. In contrast, P-type semiconductors use a dopant element from group III on the periodic ...

Copper is a brownish-orange metal used in countless applications. Commonly found in the electrical industry for its conductive properties, copper is also used in ship lining and jewelry. Construction ...

The low-carbon transition needs batteries. And those need lithium. Fortunately, the metal is abundant, and science is getting ...

Detectives from the Kern County Sheriff’s Office Rural Crime Investigation Unit, along with Taft Substation Deputies, conducted follow-up on several copper wire thefts. Investigators went to the 900 ...

Four suspects have been arrested after a police search at a Hornell residence uncovered suspected methamphetamine and stolen property, including copper wire taken from the former St. James Hospital on ...

by Denise Whitaker, KOMO News Reporter The push in King County to investigate and arrest people believed to be stealing copper wire and to get them prosecuted is finding success. (Courtesy ...