Dave Jaffe Peter W. Axelson of Beneficial Designs
Patents http://patents.justia.com/inventor/peter-w-axelson
http://web.stanford.edu/group/resna/Fellows/Axelson.html
https://events.stanford.edu/events/660/66041/
https://web.stanford.edu/class/engr110/lecture01a.html
rollercoasters, airplanes, sidewalks, anything that needs access