Cloud computing has burst recently into technology and business scene promising great technical and economic advantages, like offering On-demand provisioning of computer services, improved flexibility and scalability as well as reducing costs. Another attractive point of the cloud is its ability to enable a mobile workforce, which brings enhanced flexibility …

In an increasingly globalised and interconnected world it has become simple for people and goods to cross borders and so for terrorists. America’s borders and ports are busy places, with tens of millions of cargo containers and hundreds of millions of lawful travelers entering the country each year, while tens …

With the growing global concerns over climate change, scientists are looking for cleaner energy sources and other ways to minimize the carbon footprint in the world.  A carbon footprint is the total amount of greenhouse gas emissions that come from the production, use and end-of-life of a product or service. …