Low technology (low tech; adjective forms: low-technology, low-tech, lo-tech) is simple technology, as opposed to high technology. History Historical origin Primitive technologies such as bushcraft, tools that use wood, stone, wool, etc. can be seen as low-tech, as the pre-industrial revolution machines such as windmills or sailboats. In the 70s The economic boom after the war resulted in a doubt on progress, technology and infinite growth at the beginning of the 70s, notably with through the report The Limits to Growth (1972). Many have sought to define what soft technologies are, leading to the low-tech movement. Such technologies have been described as "intermediaries" (E.F. Schumacher), "liberating" (M. Bookchin), or even democratic. Thus, a philosophy of advocating a widespread use of soft technologies was developed in the United States, and many studies were carried out in those years, in particular by researchers like Langdon Winner. 2000s and later "Low-tech" has been more and more employed in the scientific writings, in particular in the analyzes of the work from some authors of the 1970s: see for example Hirsch ‐ Kreinsen, the book "High tech, low tech, no tech" or Gordon. More recently, the perspective of resource scarcity - especially minerals - lead to an increasingly severe criticism on high-techs and technology. Since 2007, the Dutch Kris de Decker has published (with his collaborators) some reflections on low-tech solutions, the problem of high-techs, and the updating of technologies supposedly "obsolete" via the "Low <-tech Magazine". The header is: "Doubts on progress and technology", and specifies that the lowtechs "refuse to assume that each problem has a high-tech solution", with a progressive translation of the articles in other languages since recently. In 2014, the french engineer Philippe Bihouix published "L'âge des low tech" (The age of low-techs) where he presents how a european nation like France, with little mineral and energy resources, could become a "low-tech" nation (instead of a "start-up" nation) to better correspond to the sustainable development goals of such nation. He cites various examples of low-techs initiative and describe the low-tech philosophy and principles. In 2015, the Low-tech Lab project opened, consisting in a low-tech web platform for documentation and free sharing ('wiki' type) of inventions, and to put forward reflections on the low-tech philosophy. Recently: retro-tech, wild tech, rebel-tech, small-tech, (s)low-tech, easy-tech, no-tech, lo-tek Numerous new definitions have come to supplement or qualify the term "low-tech", intended to be more