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A diode, or "rectifier," is any device through which electricity can flow in only one direction. The first diodes were crystals used as rectifiers in home radio kits. A weak radio signal was fed into the crystal through a very fine wire called a cat's whisker. The crystal removed the high frequency radio carrier signal,

[embedded content] Texas (1980-1982)as Producer General Hospital (1963)as Barbara Vining (1975-1976, 1978) Thunder in Dixie (1964)as Lily Arnold Outlaws (1961-1962)as Connie Masters / Connie Mastrers

When the Smithsonian introduced a futuristic plan for the 17 acres around its iconic administration building, the National Historic Landmark known as the Castle, officials predicted it would be a game-changer that would remake the structure into a visitor gateway to the storied institution.

The intersection of Downtown Brooklyn and Boerum Hill might seem an unlikely golf mecca. But Tishman Speyers 11 Hoyt, a recently finished, 57-story luxury apartment tower, will soon welcome Golfzon Social the first New York City location forthe multi-faceted indoor golf simulation venue that will also include a cafe and lounge featuring craft beer.

Up, up and away! New Yorkers and tourists alike will finally be able to tap their credit cards to ride Roosevelt Islands iconic tram using the Metropolitan Transportation Authoritys OMNY system just days before service on the neighborhoods only subway train drastically changes.