Citations:technologist


 * 2012 March 22nd, David Blockley, Engineering: A Very Short Introduction (309),, ISBN 9780199578696, chapter 1: “From idea to reality”, page 16:
 * The story of engineering naturally divides into five ages – gravity, heat, electromagnetism, information, and systems. The first three are the natural phenomena that scientists study and that engineers and technologists use to make their tools.