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Black Inventors And Scientists - Philip Emeagwali Black Inventors and Scientists - Philip Emeagwali Excerpt from: TIME magazine (More) Black Inventors and Scientists - Philip Emeagwali Excerpt from: TIME magazine http://www.time.com/time/2007/blackhistmth/bios/04.html BLACK HISTORY MONTH by Madison Gray EMEAGWALI . COM P H I L I P E M E A G W A L I A C a l c u l a t i n g M o v e It's hard to say who invented the Internet. There were many mathematicians and scientists who contributed to its development; computers were sending signals to each other as early as the 1950s. But the Web owes much of its existence to Philip Emeagwali, a math whiz who came up with the formula for allowing a large number of computers to communicate at once. Emeagwali was born to a poor family in Akure, Nigeria, in 1954. Despite his brain for math, he had to drop out of school because his family, who had become war refugees, could no longer afford to send him. As a young man, he earned a general education certificate from the University of London and later degrees from George Washington University and the University of Maryland, as well as a doctoral fellowship from the University of Michigan. At Michigan, he participated in the scientific community's debate on how to simulate the detection of oil reservoirs using a supercomputer. Growing up in an oil-rich nation and understanding how oil is drilled, Emeagwali decided to use this problem as the subject of his doctoral dissertation. Borrowing an idea from a science fiction story about predicting the weather, Emeagwali decided that rather than using 8 expensive supercomputers he would employ thousands of microprocessors to do the computation. The only step left was to find 8 machines and connect them. (Remember, it was the 80s.) Through research, he found a machine called the Connection Machine at the Los Alamos National Laboratory, which had sat unused after scientists had given up on figuring out how to make it simulate nuclear explosions. The machine was designed to run 65,536 interconnected microprocessors. In 1987, he applied for and was given permission to use the machine, and remotely from his Ann Arbor, Michigan, location he set the parameters and ran his program. In addition to correctly computing the amount of oil in the simulated reservoir, the machine was able to perform 3.1 billion calculations per second. The crux of the discovery was that Emeagwali had programmed each of the microprocessors to talk to six neighboring microprocessors at the same time. The success of this record-breaking experiment meant that there was now a practical and inexpensive way to use machines like this to speak to each other all over the world. Within a few years, the oil industry had seized upon this idea, then called the Hyperball International Network creating a virtual world wide web of ultrafast digital communication. The discovery earned him the Institute of Electronics and Electrical Engineers' Gordon Bell Prize in 1989, considered the Nobel Prize of computing, and he was later hailed as one of the fathers of the Internet. Since then, he has won more than 100 prizes for his work and Apple computer has used his microprocessor technology in their Power Mac G4 model. Today he lives in Washington with his wife and son. The (Less)
Black Inventors And Scientists - Philip Emeagwali Black Inventors and Scientists - Philip Emeagwali BLACK HISTORY MONTH From: (More) Black Inventors and Scientists - Philip Emeagwali BLACK HISTORY MONTH From: http://www.time.com/time/2007/blackhistmth/bios/04.html by Madison Gray EMEAGWALI . COM P H I L I P E M E A G W A L I A C a l c u l a t i n g M o v e It's hard to say who invented the Internet. There were many mathematicians and scientists who contributed to its development; computers were sending signals to each other as early as the 1950s. But the Web owes much of its existence to Philip Emeagwali, a math whiz who came up with the formula for allowing a large number of computers to communicate at once. Emeagwali was born to a poor family in Akure, Nigeria, in 1954. Despite his brain for math, he had to drop out of school because his family, who had become war refugees, could no longer afford to send him. As a young man, he earned a general education certificate from the University of London and later degrees from George Washington University and the University of Maryland, as well as a doctoral fellowship from the University of Michigan. At Michigan, he participated in the scientific community's debate on how to simulate the detection of oil reservoirs using a supercomputer. Growing up in an oil-rich nation and understanding how oil is drilled, Emeagwali decided to use this problem as the subject of his doctoral dissertation. Borrowing an idea from a science fiction story about predicting the weather, Emeagwali decided that rather than using 8 expensive supercomputers he would employ thousands of microprocessors to do the computation. The only step left was to find 8 machines and connect them. (Remember, it was the 80s.) Through research, he found a machine called the Connection Machine at the Los Alamos National Laboratory, which had sat unused after scientists had given up on figuring out how to make it simulate nuclear explosions. The machine was designed to run 65,536 interconnected microprocessors. In 1987, he applied for and was given permission to use the machine, and remotely from his Ann Arbor, Michigan, location he set the parameters and ran his program. In addition to correctly computing the amount of oil in the simulated reservoir, the machine was able to perform 3.1 billion calculations per second. The crux of the discovery was that Emeagwali had programmed each of the microprocessors to talk to six neighboring microprocessors at the same time. The success of this record-breaking experiment meant that there was now a practical and inexpensive way to use machines like this to speak to each other all over the world. Within a few years, the oil industry had seized upon this idea, then called the Hyperball International Network creating a virtual world wide web of ultrafast digital communication. The discovery earned him the Institute of Electronics and Electrical Engineers' Gordon Bell Prize in 1989, considered the Nobel Prize of computing, and he was later hailed as one of the fathers of the Internet. Since then, he has won more than 100 prizes for his work and Apple computer has used his microprocessor technology in their Power Mac G4 model. Today he lives in Washington with his wife and son. The (Less)
Practical Electronics for Inventors by Paul Scherz 
2009-06-19 - extension: rar - size: 6 MB
Practical Electronics for Inventors by Paul Scherz
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NY0071389903.rar 2008-04-03 - extension: rar - size: 6 MB
NY0071389903.rar
Practical Electronics for Inventors|if password need look here: http://www.warez-bb.org/viewtopic.php?t=234408
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