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srinidhilv

srinidhilv

Well. I love to read books and write about them
  • Carrollton, TX, USA
  • member since August 29 2007

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Displaying 11-12 of 12 reviews
    • Rated 3 stars

    Story of the Delhi Iron Pillar by R. Balasubramaniam; Foundation Books; Price: Rs.195; 140 pp.

    With the world’s second largest steel plant owner London-based Laxmi Mittal having submitted a bid to acquire France’s Arcelor, India is once again at the centre of the metallurgical world’s attention. Only this time it is in terms of quantity. What most of us, especially young primary and secondary school children are unaware is that India’s were the pioneers in the art and science of metallurgy and were producing corrosion-resistant steel and iron way back in the circa 1400.

    There are several examples of the ingenuity of Indian metallurgists in the form of permanent installations, museum exhibits and pillars installed at various places of worship across the country. A classic example of ancient India’s leadership in producing quality iron and steel is the 32 ft tall iron pillar installed in the popular tourist spot Qutub complex in Delhi. The pillar believed to be over 1,600 years old has not rusted or succumbed to atmospheric corrosion despite it being exposed to the elements and weather throughout. Several scientists and metallurgists have conducted detailed studies and propounded theories about the pillars fascinating anti-corrosive properties.

    The latest book on Delhi’s iron pillar is perhaps Prof. R. Balasubramaniam’s Story of the Delhi Iron Pillar — the second and simplified version of his earlier book on the subject ___________ which was aimed at metallurgical professionals, scholars and academics. Unlike his previous volumes on the subject this book is written for the general reader and particularly at the secondary school students who are overburdened with rote-learning pedagogies. The book aims to ignite an interest in history, metallurgy and archaeology and encourage students to undertake fieldwork and self study. “The iron pillar in Delhi fascinates scientists all over the world, due to its excellent resistance to atmospheric corrosion. In fact, this is one of the main reasons the pillar is famous throughout the academic world. One of the reasons that prompted me to write this book was the constant requests from students for an easily accessible book on the pillar in simple, jargon-free language,” writes the author introducing the treatise.

    The Story of the Delhi Iron Pillar traces the history of the iron pillar and also makes an attempt to analyse and explain how, why and where it was originally installed and also how it was finally brought to Delhi by invading moghul armies and installed in the Qutub Complex. The book also describes the pillar’s structure in detail with several illustrations, pictures and drawings to help readers visualise the pillar’s construct. Story of the Delhi Iron Pillar unravels the mystery behind the pillar’s resistance to corrosion for over sixteen centuries and discusses the amazing process by which the pillar was manufactured using the technical know-how available at the time.

    The book is a must read for Indophiles, history and metallurgy enthusiasts and even travellers who want more information than what the guidebooks provide would find this volume highly informative. Written as a simple, easy-to-understand narrative, the book features numerous photographs and elaborate illustrations to enhance the discussion.

    Written by Prof. R. Balasubramanian who teaches corrosion engineering and Indian archeo-metallurgy at IIT-Kharagpur since 1990, the book is well organised into five sections — Introduction, History of the Iron Pillar, Structural Features of the Pillar, Manufacturing Methodology and The Pillar’s Resistance Corrosion — each dealing with a different aspect of the pillar. The book is a useful volume for history and science teachers to plan supplemental lesson plans, as also for the secondary school student interested in history/ metallurgy. For the layman it is a veritable information resource about the glorious metallurgical traditions of ancient India.

    srinidhilv wrote this review Wednesday, September 5 2007. ( reply | permalink )
  • Digital Fortress
    • Rated 4 stars

    Digital Fortress is the latest book from Dan Brown, who hit the top of best-selling charts through his novel The Da Vinci Code. Though not so famous as the latter, this account is quite absorbing and a fast-paced action thriller. Brown, a former English and creative writing teacher touches upon the subject of internet security and how e-mails messages, popularly perceived as safe, secure and fast mode of communication, can be accessed and read by security agencies across the world. Digital Fortress is a gripping and fast-paced techno-thriller is perhaps more popular among technophiles and computer geeks than others.

    The action-packed story of Digital Fortress moves on two parallel planes: one in the headquarters of America’s National Security Agency (NSA), and another in the form of a race against time across continents for a gold ring. In most military intelligence and war stories, the weaponry comprises machine guns, tanks and explosives etc. But in Digital Fortress the combat hardware is something that almost all of us use in daily lives, i.e computers, e-mail and the world wide web aka internet. The protagonists primarily fight with brainpower, though there are some instances where firepower i.e guns are also employed. The best thing about Digital Fortress is perhaps the knowledge and understanding about computer-aided encryption and code-breaking technologies such as brute force, mathematical encryption algorithms, square coding etc which is simplistically explained. Several complicated concepts about encryption, code breaking, and the role they play in modern day international espionage and politics are discussed in the book.

    The book starts off with an emergency at United States’ NSA when it’s supposedly invincible code-breaking computer ‘TRANSLTR’ with more than a million processors, encounters a mysterious code it cannot break. Trevor Strathmore, deputy director of the NSA calls the agency’s head cryptographer, Susan Fletcher, a brilliant mathematician to assist in finding a solution. What she uncovers sends shock waves through the corridors of power. The NSA is being held hostage -- not by a nuclear bomb -- but by software so complex that if released would cripple American intelligence. Thus begins the real or rather the virtual war on cyberspace, where the ‘bomb’ (an encryption algorithm) will explode, exposing the entire American defence ministry’s data to anyone and everyone.

    In the novel, ‘Digital Fortress’ is actually the name given to a code created by mathematics wizard, encryption software expert and former employee of NSA, Ensie Tankado. A code with a potential to derail NSA’s efforts to keep tabs on all the data that is transmitted on the information superhighway, stumps the agency’s secret multi-billion dollar code-breaking computer TRANSLTR. Born with deformed fingers due to the effect of nuclear radiation his mother suffered at Hiroshima, Tankado grows up thirsting for revenge against the United States. Later as he grows older, Tankado reads about Japanese war crimes and Pearl Harbour and his hatred for America slowly fades. He starts learning computers in his 12th year and by 20 Tankado becomes a cult figure among programmers and is offered a job in Texas, US by IBM. Soon after his arrival, Tankado rides a wave of fame and fortune writing algorithms, forcing NSA to offer him a job in its team of cryptographers.

    A respecter of human rights, Tankado quits NSA when he comes to know that through its super computer – TRANSLTR – the agency could access and open everyone’s e-mail and reseal it without their knowing. Tankado a firm believer of the Latin saying “Quis custodiet ipsos custodies” meaning “Who will guard the guards?” tries to go public with news about TRANSLTR and its capability with the help of Electronic Frontier Foundation -- an online group of people championing for personal right to secrecy in electronic communications – but is captured, accused of spying and deported to Japan. To take revenge for his disgraceful exit from the NSA and US, Tankado creates ‘Digital Fortress’ and unleashes it on TRANSLTR.

    The virtual attack on the TANSLTR sparks off two chains of events -- a battle with a traitor within NSA headquarters that envelops Fletcher, and a race across continents for a gold ring worn by Tankado, on which is engraved the Latin key to break the code and save vital defence data of the United States. The race draws in David Becker, Fletcher’s fiancé, who travels to Spain to retrieve the gold ring. In Seville, thrilling chase scenes, chilling murders and miraculous escapes result in Becker gaining possession of the ring. Meanwhile, at NSA, there is a crescendo of murder, infernos, and explosions, and it emerges that Strathmore, has as agenda that goes beyond decoding Digital Fortress. The author’s skill at hinting and concealing Strathmore’s deceit will hold readers till the finish.

    Digital Fortress will definitely hold readers’ attention from start to finish though technophobes may find the elaborate descriptions of processors and code breaking algorithms a wee bit boring. After reading this book, it is difficult to read, write or send e-mails without getting the eerie feeling that someone, somewhere across the world maybe clandestinely reading your correspondence. Or maybe some may think of evolving their own unbreakable code to encrypt their e-mail, to ensure confidential communication even if a TRANSLTR is working halfway across the world.

    srinidhilv wrote this review Wednesday, September 5 2007. ( reply | permalink )
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