The original version of this story appeared in Quanta Magazine. Since their discovery in 1982, exotic materials known as quasicrystals have bedeviled physicists and chemists. Their atoms arrange ...
Abstract: In this paper, a dual-band dual-polarized aperture shared low-profile base station antenna based on the AMC structure is proposed. The proposed antenna introduces backcavity boxes which can ...
THURSTON COUNTY, Wash. — Four U.S. Army service members who were aboard a Joint Base Lewis-McChord (JBLM) helicopter that crashed in the Capitol Forest on Wednesday are presumed dead, according to U.S ...
TACOMA, Wash. (AP) — A U.S. Army helicopter assigned to Joint Base Lewis-McChord was on a routine training mission when it crashed in Washington state not far from the base, Army officials said ...
TACOMA, Wash. (AP) — A helicopter crashed in Washington state near Joint Base Lewis-McChord, the U.S. Army said Thursday. There was no immediate word of how many people were aboard and their ...
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