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The Design and Implementation of DSA and DSS By Farrukh Khan
Paperback: $72.20
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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
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
Augmented Reality By Farrukh Khan
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Augmented reality presents a mix of real world information and additional computer generated information to a user. Such a mix of information is usually presented by superimposing two distinct sets... More > of images on to a monitor or a head mounted display which enables a viewer to observe a mix of the real world and computer generated text or images. Even though the visual sense is not the only sense which can be used to present and perceive computer altered reality, visual presentations are the most used in augmented reality systems. This essay presents a discussion of the potential and the problems of augmented reality systems.< Less
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
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
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
Public Policy on Public Houses: A Report on Influencing Factors on Attitudes of Binge Drinking in 18 – 24 Year Old Young Adults in the United Kingdom By Farrukh Khan
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Binge drinking has now been recognised as being a serious problem which affects young adults not only in the United Kingdom, but also in other countries with a predominantly Anglo – Saxon... More > culture. This phenomenon is possibly not a new one and those who indulged in binge drinking episodes were earlier referred to as being ‘lager louts’ in Britain. However, binge drinking has received considerable media attention in recent years because of the harm for the individual and the community that has come to be associated with it. This dissertation attempts to identify the influencing factors associated with attitudes of binge drinking which can have an impact on marketing for educating the public and designing interventions for positively influencing young adults.< Less
Aircraft Accident Investigations By Farrukh Khan
eBook (PDF): $6.25
This paper takes a look at the aircraft accident investigations that are undertaken when an airplane suffers an accident. Airplanes are complex machines and there can be many behind an airplane... More > disaster. As a result of international cooperation and the stringent standards of engineering testing that is required in international civil aviation, flying is the safest form of transportation that is available. However, accidents do happen and not all accidents are the result of terrorists attempting to destroy an aircraft. Fuel leaks, metal fatigue, engine fires as well as pilot error can cause accidents. Criminal investigations are only conducted if there is evidence of deliberate attempts to destroy an airplane. This paper takes a look at the investigations that are conducted after an aircraft accident.< Less
Steel in Construction By Farrukh Khan
eBook (PDF): $15.00
In this report, an attempt is made to take a look at the use of cast iron, wrought iron and steel in the construction of buildings and civil engineering structures. These materials have been... More > extensively used in construction for a fairly long time and many outstanding and historical buildings have been built with the use of iron and steel. Iron and steel are mostly used as the dominant structural material to provide shape and strength to the frame of the construction. The report takes a look at the Millennium Dome in the United Kingdom and provides its readers with an extensive bibliography for their use.< Less
The Design and Implementation of DSA and DSS By Farrukh Khan
eBook (PDF): $37.50
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

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