April 23, 2005 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 Preferring profit to pollution AMONG numerous environmental issues facing Pakistan, efficient management of metallurgical solid and liquid wastes needs immediate attention. The problem is twofold, as it involves the protection of environment as well as... BYTEBACK Mail servers QUESTION: Please tell me about a good SMTP and pop3 server, from which I can send email to Hotmail through telnet. Saad Saleem... The name of the game CONTRARY to popular belief, there is no Nobel prize for mathematics. The reason apparently is that mathematical theories cannot be tested, as they are essentially tautological in nature. For that matter,... John Nash — the brilliant ‘madman’ TO BE SURE, John F. Nash Jr is neither the only nor the first mathematician who made breakthroughs in the area of game theory. That is why he had to share... What a way to go HOW will it all end? Some say we are likely to go with a bang, others predict a slow lingering end, while the optimists suggest we will overcome our difficulties by... Fuzzy logic? Expert systems are computer programs that embody human expertise. Although, this field of Artificial Intelligence has become imbued with a certain mystique and high-tech aura in developing countries like Pakistan, yet... Let the games begin At first, we had cyber cafes but now there is a wave of gaming cafes springing up rapidly all over the country. LAN gaming has been a huge hit, which has... WEBWATCH Here is an informative source for anyone who has an interest in astronomy. It gives a concise tour of the solar system, and beyond — from asteroids to planets like Venus.... Building resilience Most people tend to take computer security for granted. From a professional office to an educational institute, network vulnerability can greatly impede an organization’s progress. Today, we will look at a... How the internet works A COMPUTER network is a collection of interconnected computers for sharing resources that abide by a set of rules called protocols. Most computer networks come into existence because of interconnecting... It’s a small, small world EUROPEAN countries, Japan and India are today the main players in information technology. Though Pakistan is trying its best to forge ahead, it is miles behind the technology leaders of the... Who should be blamed? EVEN though the provisions of World Trade Organization came into force early this year, which stipulate that effluents be disposed of in the manner prescribed, Pakistani businessmen and industrialists have so... Deadly vials sent across the world SCIENTISTS in 18 countries are tracking down and destroying thousands of vials of a lethal virus which, if misused, could trigger the long-feared global flu pandemic, the World Health Organization said... ‘Mafia’ opposing waste disposal system? NOT ENOUGH has been done in the area of hospital waste disposal. And the main reason for this is the resistance offered by powerful hospital ‘mafia’.... Once upon a ‘snap’ junkie PERHAPS one of the hottest gadgets these days is the multifunctional mobile phone with camera, making communication faster and easier.... COOL GADGETS Toshiba’s prototype model of the new flatbed type 3D LCD display without special glasses. It shows 16 different angles...

Contributions Privacy Policy © DAWN Group of Newspapers, 2006