Walls That Can Be Tuned

In this era of telecommunications when most systems are being made wireless, the need for security has increased tremendously because various signals need to be protected and isolated from each other. Meeting both these requirements simultaneously can present a host of challenges. Currently, mobile communication and Wireless Internet Local Area Network (WLAN) systems are being designed on the basis of a detailed analysis of Radio Frequency (RF) coverage and capacity requirements. Security and privacy issues can be addressed through good design but “eavesdropping” continues to be a real vulnerability. A revolutionary technology, called Frequency Selective Surface (FSS), is increasingly being proposed and used as an answer to the deployment of secure wireless systems for indoor environments, taking advantage of innovative techniques in building design and the use of attenuating material. Towards the end of the eighteenth century, the American physicist D. Rittenhouse discovered that some colours of a light spectrum

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Elan Credit Card – Mystery Solved

While completing the research for this article, admittedly I was becoming a bit frustrated. What is it with these companies that have credit cards offers that no one could seem to access online? Seriously, what is the point? If I am interested in your organizations’ credit card, I would expect to go online and search for your card and…voila, an entire website with all the information I need appears. It’s not magic; it’s the way things should be, any good marketer knows that. Well to my surprise, this is not what I experienced while searching for the Elan credit card. Instead I was greeted with a card member services page for all my search effort. Now tell me, how can I become a member when I can’t even find information on the credit card offer to decide if to follow through with an application. On further investigation, I realized that

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