Word: p
(lookup in dictionary)
(lookup stats)
Dates: during 1970-1979
Sort By: most recent first
(reverse)
...make transistors and chips, scientists "dope" a semiconducting material ike silicon with impurities, creating regions that have either an excess or a deiciency of electrons-and thus are negatively (n zones) or positively (p zones) charged. If two n zones, say, are separated by a p zone, they act like an electronic switch, or transistor; a small voltage in the p zone controls fluctuations in the current flowing between the n zones. But every time an excess electron is released in the n zone to join the current flow, it leaves behind a positively charged spot. Because opposite charges attract...
Senator Edward M. Kennedy '54 (D.-Mass.) and Speaker of the House Thomas P. O'Neill, Jr. (D.-Mass.) will also be present, the White House spokesman said...
...have a 9 o'clock class every morning and we all come in in a rush. I just go through and smile, without taking out my card. The whole class does it now, I think. --Basil P. Bourque...
...ouster was a stunning victory for Vice Premier Teng Hsiao-p'ing, 74, who has emerged as China's major policymaker since his return to power last year. Bitter over the obloquy and humiliation heaped upon him during the Cultural Revolution, Teng has been purging the party ranks of officials who rose to prominence in those turbulent times. Chief among his targets have been those, like Wu, who attacked Teng personally, even forcing him to parade through the streets of Peking wearing a dunce...
...Town News sold out its copies "in about an hour," Peter P. Itrato, Out of Town newsvendor, said yesterday...