Welcome to a generous selection of articles from DAWN's Weekly Sci-Tech World.
This page is updated every Saturday.
For current issue Click here
Your own super- computer
 IT was thought at one point that to build a supercomputer is a near impossible task, best left to those computer scientists who have dedicated their lives to such accomplishments. But...
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The GigaByte X800 Pro
 THE R-420 and the Nv-40 video cards by ATI both promised and proved high levels of performance. Both are GPUs (CPU-time sharing systems that uses all CPUs connected to a network,...
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Webwatch
 THIS website furnishes a collection of resources for the expanding universe of users and designers of Beowulf class cluster computers (see cover story “Your own super-computer” in this issue). These enterprise systems are built on...
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I-Terms
Snooping protocol: Also referred to as a bus-snooping protocol, a protocol for maintaining cache coherency in symmetric multiprocessing environments. In a snooping system, all caches on the bus monitor (or snoop)...
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The library of the future
 THE first signal of change in any environment is the change of knowledge. Once knowledge is updated, adaptation to change becomes easier. The library at every centre of learning must essentially...
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CSIR: shaping the future of India
 WITH a market of one billion people, India is one of the fastest growing economies in the world. It has posted an excellent average growth rate of 6 per cent since...
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A rejoinder to ‘measure of obesity’
REGARDING the article “Measure of obesity redefined” (Sept 18), I would like to add that obesity is the most important public health challenge faced by Asian countries, and Pakistan is no...
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PSEB workshop on Open Source technology
 DO you use Open Source technologies on a daily basis? No? Actually, you not only use, but rely upon Open Source technologies. Incredulous?...
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‘Smart’ surveillance cameras
 A HIGHLY advanced system of video surveillance that Chicago officials plan to install by 2006 will make people here some of the most closely observed in the world. Mayor Richard...
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Hydrogen: the optimum future fuel
 ENERGY is an essential component for all economic activities and is required for the production of all goods and the provision of all services. Sustainable economic growth needs to be fuelled...
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Viruses aimed at Microsoft rise sharply
THE number of new viruses and worms aimed at Microsoft Windows operating system rose 400 per cent between January and June from the same year-earlier period, leading computer security company Symantec...
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Martian oceans may be carbonated
 SEVERAL lines of evidence suggest that there were open oceans on Mars, but there is a notable problem. The now-absent oceans would have left substantial deposits of carbonate, especially on a...
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The fate of Petroman Karachi hangs in balance
THE agitating Petroman Karachi employees want retention of students at their educational institutions and have vowed to oppose any “plan to abolish” government extended academic facilities from Karachi....
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International Ozone Layer Day observed
WITH the rest of the world, Pakistan too observed the International Ozone Layer Day on Sept 16. A cell was set up in the environment ministry and public sector organizations working...
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Byteback
 THIS is in reference to Dr. Inam-e-Khuda’s article: “Bacteria resistance:the challenges ahead”, that appeared in Sci-tech World on Sept 11. The doctor states that plague was given the name Black Death because it wiped out nearly one-third of the population of Europe. The fact is that plague...
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ITeaser
THINK your IT knowledge is really good? Rack your brain with this I-Teaser and find out for sure:...
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You are invited to join Orkut
 IT is an online community website designed with the goal to make the social life of users more active and stimulating. Orkut’s social network can help users both maintain existing relationships...
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Cool gadgets
 SANYO displayed a stylish digital camera in two different colours “Xacti C4”, equipped with a 4.23 mega-pixel CCD on its image sensor and a 5.8-33.8mm zoom lens which enables to record VGA sized video images at 30 frames per second. Xacti is on sale with...
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