Water chlorination

Water chlorination

—The role of imitation in technical change in early 20th- century London, New Jersey and Bogotá.—   Chlorination is one of the most radical transformations in modern water treatment. Its history illuminates our understanding of urban sanitation and...
Big Science

Big Science

—Definition, characteristics and examples of Big Science.—   Historical studies on science, medicine and technology show how scientific and technological activity has been transformed over time. For example, from the second half of the nineteenth...