This volume of the Oxford Illustrated Encyclopedia is dedicated to science and technology. The reader learns about ancient irrigation systems, weaving and pottery, about advanced technologies of our time, closely related to the development of electronics and space. The volume contains 150 biographies of prominent scientists and inventors. Vivid illustrations of the scheme and diagrams give an idea of ​ ​ the development of science and technology, about the technologies with which humanity enters a new, XXI, century.