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Doping of a pure silicon array. Silicon based intrinsic semiconductor becomes extrinsic when impurities such as Boron and Antimony are introduced.. In semiconductor production, doping is the intentional introduction of impurities into an intrinsic (undoped) semiconductor for the purpose of modulating its electrical, optical and structural properties.
The larger Sunday crossword, which appears in The New York Times Magazine, is an icon in American culture; it is typically intended to be a "Wednesday or Thursday" in difficulty. [7] The standard daily crossword is 15 by 15 squares, while the Sunday crossword measures 21 by 21 squares.
Crossword-like puzzles, for example Double Diamond Puzzles, appeared in the magazine St. Nicholas, published since 1873. [32] Another crossword puzzle appeared on September 14, 1890, in the Italian magazine Il Secolo Illustrato della Domenica. It was designed by Giuseppe Airoldi and titled "Per passare il tempo" ("To pass the time"). Airoldi's ...
Leonard Dawe, Telegraph crossword compiler, created these puzzles at his home in Leatherhead. Dawe was headmaster of Strand School, which had been evacuated to Effingham, Surrey. Adjacent to the school was a large camp of US and Canadian troops preparing for D-Day, and as security around the camp was lax, there was unrestricted contact between ...
Workers are also human beings and so need to unwind at some point during their day. There are of course infinite ways to blow off steam in 2013, and increasingly, turning to marijuana is becoming ...
A dopant (also called a doping agent) is a small amount of a substance added to a material to alter its physical properties, such as electrical or optical properties. The amount of dopant is typically very low compared to the material being doped.
Care must be given to marking out words that are not explicitly placed in the grid; this occurs when one fills in a vertical sequence of horizontal words, or vice versa. Forgetting to do this results in "extra words" and often makes the puzzle more difficult to solve.
The movie focuses on the following crossword solvers: Ellen Ripstein: editor living in New York City and 2001 ACPT champion. She is also known for her baton twirling. Trip Payne: professional puzzlemaker living in South Florida and three-time ACPT champion. He held the record as the youngest champion after winning the tournament in 1993 at the ...