Wikipedia:Contents/Technology and applied sciences/Intro

<

lessened physical barriers to communication and allowed humans to interact on a global scale. However, not all technology has been used for peaceful purposes; the development of weapons of ever-increasing destructive power has progressed throughout history, from clubs to nuclear bombs.

Applied science is the application of knowledge from one or more natural scientific fields to solving practical problems. For example, fields of engineering are applied sciences. Applied science is important for technology development. Its use in industrial settings is usually referred to as research and development (R&D).