Hardbound. In western society it is taken for granted that tourism is a necessary element of contemporary lifestyle, but while many people recognize its importance, they are usually more concerned with its contribution to the economy than with its social, cultural, and political significance. As a social action, tourism is at least partly based on the appeal of distance in time, space, and culture, which offers people the opportunity to question conditions they take for granted, and, by distancing themselves from everyday life, to re-examine the meaning of their lives.Within a traditional...

Despite the QoS (Quality of Services) frameworks proposed in the 1990's, such as Integrated Services (IntServ) and Differentiated Services (DiffServ), large-scale deployments have not been seen across the global internet, and this slow progress has significantly hindered the development of the relevant services.

Unmanned marine vehicles (UMVs) is a collective term commonly used to describe autonomous underwater vehicles, remotely operated vehicles, semi-submersibles, and unmanned surface craft. UMVs are heavily used in the military, civilian, and scientific communities for undertaking designated missions whilst either operating autonomously and/or in co-operation with other types of vehicles. Advanced marine vehicles are increasing their capabilities and the degree of autonomy more and more in order to perform more sophisticated maritime missions. Remotely operated vehicles are no longer...