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Intelligent Buildings and Pervasive Computing By Farrukh Khan
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Technological advances on a broad front have made the miniaturisation of computers and intelligent devices possible. Microprocessors and the VLSI chips that are the intelligent heart of any computing... More > device have become cheaper, more powerful, compact and energy efficient. Microprocessors are capable of operating on a larger number of bytes and have found application in diverse areas such as the automobile, building control systems, battery powered intelligent stand alone systems, mobile devices and intelligent appliances. The marriage of communications technologies and computing have made it possible to communicate with intelligent machines over vast distances and it is possible to instruct a smart device, such as a heater or an air conditioner, at home to switch from a remote location. This essay takes a look at intelligent buildings in the pervasive computing age< Less
Transducers for Medical Ultrasound By Farrukh Khan
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Ultrasound imaging depends on the ability of piezoelectric crystals to generate sound when excited with alternating current and the reverse effect of charge accumulation or current flow when such... More > crystals are subjected to pressure from sound waves. The first known ultrasound imaging machine was designed by K. T. Dussik in Australia in 1937. However, despite its widespread acceptance today, medical ultrasound did not develop as rapidly as X-ray imaging. Despite the relatively slow start, medical ultrasound imaging is very widely accepted today because there is no ionising radiation involved and hence the procedure is relatively safe. This brief essay takes a look at transducers for medical ultrasound.< Less
The Design and Implementation of DSA and DSS By Farrukh Khan
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The proliferation of the internet and the World Wide Web as well as the widespread use of e-commerce has meant that there is a rapidly growing demand for secure electronic business transactions over... More > insecure communication channels. In a digital environment, there is a need to protect information and data from falling into the wrong hands or from being tempered. Protecting information which has been coded in a digital format is the art of cryptography. In the past, public – key cryptosystems such as the Rivest-Shamir-Adleman or the RSA and the Digital Signature Standard or the DSS have been widely used for protecting digital information. The DSS is a component of the United States government’s Capstone program which has attempted to develop cryptography standards for United States government agencies and those private companies that want to do business with this government. This paper presents a method for implementing the DSA and the DSS.< Less
Wearable Computers By Farrukh Khan
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This paper attempts to introduce the exciting new world of wearable computing. Wearable computers are having an impact on how humans perceive reality and perform various tasks in the real world.... More > Propelled by advances in mobile computing, communications and materials as well as many other disciplines, a greater proliferation of wearable computers may very well change the manner in which people live and interact with each other and the society at large. Wearable computers have shown a promise in a very large variety of applications, ranging from those related to the battlefield for military and defence purposes to assisting field workers in a number areas including archaeology, chemical industries and manufacturing.A very extensive bibliography is also presented in the paper.< Less
Issues in International Construction Project Management By Farrukh Khan
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Construction as an industry accounts for about 10% of the global Gross Domestic Product and apart from direct construction related activities which include the construction of buildings and other... More > infrastructure, construction services including design, consulting and other associated activities are also important. Globalisation has meant that governments are increasingly uninterested in having a preference for the local companies and foreign firms can compete for the tenders available. International construction activities, however, usually mean that additional risks have to be considered as compared to the construction activities which a company is used to undertaking on its home base. This report takes a look at the problems associated with international construction and comes with an extensive bibliography for those who may want to further research the topic.< Less
Wearable Computers By Farrukh Khan
eBook (PDF): $25.00
This paper attempts to introduce the exciting new world of wearable computing. Wearable computers are having an impact on how humans perceive reality and perform various tasks in the real world.... More > Propelled by advances in mobile computing, communications and materials as well as many other disciplines, a greater proliferation of wearable computers may very well change the manner in which people live and interact with each other and the society at large. Wearable computers have shown a promise in a very large variety of applications, ranging from those related to the battlefield for military and defence purposes to assisting field workers in a number areas including archaeology, chemical industries and manufacturing.A very extensive bibliography is also presented in the paper.< Less
Composite Airframes By Farrukh Khan
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This article takes a look at the use of composite materials in aircraft structures. Composite materials are strong lightweight and durable materials made of two or more materials joined together in... More > such a way that the individual materials are easily distinguishable. The use of composite materials is increasing rapidly in all applications ranging from automotive, aviation to yachts etc. The article contains twelve references.< Less
Implementation of a Safety Management System By Farrukh Khan
eBook (PDF): $20.00
In the present day and age, many countries have accorded a greater importance to occupational health and safety for the workforce through legislation. Businesses, large and small, have a... More > responsibility to ensure that they are able to provide a safe working environment for their employees. Investments in safety can be of benefit to an organization in terms of greater employee satisfaction, loyalty, business respectability and act as an insurance against much larger financial outlays in the event of an accident as well as assisting in the prevention of human suffering. In this essay, an attempt has been made to investigate how a newly started small business may be able to set itself on the path to incorporating the OHSAS 18001 based occupational health and safety management system within its broader system of corporate management.< Less
On the Reliability, Efficiency and Cohesiveness of the TCP/IP Suite By Farrukh Khan
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The TCP/IP suite of communications protocols is universal and it has been estimated that a vast majority of the global Internet traffic is carried by this protocol. The TCP/IP has an integrated... More > addressing system, a design for routing, underlying network independence, scalability, open standards and universal acceptance. However, the TCP/IP also has some weaknesses which are mostly ignored because this suite of protocols was designed when the Internet was invented and has continued to be accepted with its growth. This brief essay presents a discussion of some of the shortcomings of the TCP/IP suite of protocols.< Less
EMC Certification for a Laser Printer By Farrukh Khan
eBook (PDF): $10.00
This brief report presents a discussion about fulfilling the requirements for declaring a product as EMC compliant to display the CE mark on the product.