Neufeld, Michael. Von Braun: Dreamer of Space, Engineer of War. First. Vintage Books, 2008, p. xv. «There has been a deep-rooted failure in the English-speaking media and popular culture to grapple with the distinction between science and engineering.»
britannica.com
«Sir George Cayley (British Inventor and Scientist)». Britannica, n.d.. [Consulta: 26 juliol 2009]. «English pioneer of aerial navigation and aeronautical engineering and designer of the first successful glider to carry a human being aloft.»
«Sir George Cayley». U.S. Centennial of Flight Commission. Arxivat de l'original el 2014-02-24. [Consulta: 31 gener 2016]. «A wealthy landowner, Cayley is considered the father of aerial navigation and a pioneer in the science of aerodynamics. He established the scientific principles for heavier-than-air flight and used glider models for his research. He was the first to identify the four forces of flight--thrust, lift, drag, and weight—and to describe the relationship each had with the other.»
«Sir George Cayley». flyingmachines.org. [Consulta: 26 juliol 2009]. «Sir George Cayley is one of the most important people in the history of aeronautics. Many consider him the first true scientific aerial investigator and the first person to understand the underlying principles and forces of flight.»
ieee.org
spectrum.ieee.org
Petroski, Henry. «Engineering Is Not Science». IEEE Spectrum, 23-11-2010. [Consulta: 21 juny 2015]. «Science is about understanding the origins, nature, and behavior of the universe and all it contains; engineering is about solving problems by rearranging the stuff of the world to make new things.»
interestingengineering.com
«History of the Airbus A380» (en anglès americà). interestingengineering.com, 31-03-2019. [Consulta: 11 setembre 2019].
NASA. Steven J. Dick. Remembering the Space Age: Proceedings of the 50th Anniversary Conference, 2008, p. 92. «The term "rocket scientist" is a misnomer used by the media and in popular culture and applied to a majority of engineers and technicians who worked on the development of rockets with von Braun. It reflects a cultural evaluation of the immense accomplishments of the team but is nevertheless incorrect. ...»
«Sir George Cayley». U.S. Centennial of Flight Commission. Arxivat de l'original el 2014-02-24. [Consulta: 31 gener 2016]. «A wealthy landowner, Cayley is considered the father of aerial navigation and a pioneer in the science of aerodynamics. He established the scientific principles for heavier-than-air flight and used glider models for his research. He was the first to identify the four forces of flight--thrust, lift, drag, and weight—and to describe the relationship each had with the other.»
