Editorial Article for Journal of Astrophysics and Aerospace Technology

摘要

Free access to knowledge was never forbidden by ancients. In fact the knowledge created in different branches was written and compiled by many unknown authors and it was accessible by all and disseminated by those who had wisdom. Through the keen observation and inno- vative thinking about various phenomena in nature by humans who were transferring and creating new knowledge, it became possible to harness the newer products which gave momentary material comfort and happiness to humans. As an example, it has become possible to communicate from not only one part of the globe to another part but any object anywhere in the universe emitting certain signals. Moreover it has also become possible to travel long distances to different parts of the universe either with living beings or without living beings dur- ing the lifetime of humans and get many information about the distant object in the universe.