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Articles by efwegbe erergeer |
891. Simple anticipator circuit improves on earlier idea
August 08, 2012
Figures 2 , 3 , and 4 show an input waveform to the transducer; the correspondingtransducer s output signal; and the final anticipator circuit soutput, which is derived from the available signal, V X . The figures , respectively, show these waveforms for three forms of 2-Hzfrequency input: ...
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892. In turkey, un chief says somalia needs help in building ownsecurity forces
August 07, 2012
ISTANBUL – International forces cannot solve Somalia's security problems inthe long term and the fragile country needs its own strong force todo the job, U.N. Secretary-General Ban Ki-moon said Friday. Ban spoke spoke at a conference in Istanbul that aims to supportSomalia in a transition ...
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893. Velvet spiders emerge from underground in new cybertaxonomicmonograph
August 06, 2012
Velvet spiders include some of the most beautiful arachnids inEurope and some of the world's most cooperative species. Socialspecies can be very abundant in parts of tropical Africa and Asiawith conspicuous colonies dotting the landscape. Social coloniesmay consist of hundreds of closely-related i...
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894. Could sarcastic computers be in our future? new math model can helpcomputers understand inference
August 06, 2012
Language is so much more than a string of words. To understand whatsomeone means, you need context. Consider the phrase, "Man on first." It doesn't make muchsense unless you're at a baseball game. Or imagine a sign outside achildren's boutique that reads, "Baby sale -- One weekonly!" You easil...
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895. Evolution of birds is result of a drastic change in how dinosaursdeveloped
August 06, 2012
The results of the study appeared May 27 in an online edition ofthe journal Nature . "What is interesting about this research is the way itillustrates evolution as a developmental phenomenon," saidArkhat Abzhanov, associate professor at Harvard and studyco-author. "By changing the developmental b...
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896. China slowdown ripples through hong kong as sales weaken
August 05, 2012
2012-05-31T18:25:33Z China s economic slowdown is rippling through Hong Kong, with thecity s retail sales rising at the slowest pace since 2009 asshoppers visiting from the mainland trimmed their spending. Sales climbed 11.4 percent in April from a year earlier, thegovernment said in a statement ...
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897. Land and sea species differ in climate change response
August 04, 2012
The study, published this week in Nature Climate Change, provides insights into why and how species are moving around theglobe in response to global warming. Researchers gathered published data from tests determining thephysiological temperature limits -- tolerance to heating andcooling levels --...
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898. Three percent of us executions since 1900 were botched, study finds
August 04, 2012
"Given the gravity of the decision to put someone to death andthe constitutional prohibition of cruel punishment," saidSarat, the William Nelson Cromwell Professor of Jurisprudence andPolitical Science, "the fact that 3 out of every 100executions are messed up should be a cause of serious concern ...
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899. Emerging markets sustain robust growth for satellite tv platforms
August 03, 2012
Euroconsult has announced that the satellite pay-TV industryreached revenues close to $90 billion in 2011, up from $79 billionin 2010. Global industry revenues are expected to reach close to$150 billion in 2021, with emerging markets (i.e. Latin America,Central Europe, Russia, the Middle East,...
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900. Engineered microvessels provide a 3d test bed for human diseases
August 03, 2012
Mice and monkeys don't develop diseases in the same way that humansdo. Nevertheless, after medical researchers have studied humancells in a Petri dish, they have little choice but to move on tostudy mice and primates. University of Washington bioengineers havedeveloped the first structure to gro...
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