GIS Geographical Information System originated in the 1960s. During the early days of the technology the use was limited to a small group of practicioners. It is a information technology which analizes, stores, and displays both spatial and non-spatial data. It is used in many different specializati...

If the nation is serious about the manned exploration and development of space, then more attention must be focused now on research to study how weightlessness and reduced gravity would affect everything from power production to plumbing. The research is critical for the development of space-related...