Index:   7Ladders.com |
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Canyon of the Seven Ladders (Canionul Sapte Scari) -- near Brasov, Romania |
Ways to reach Jim Barnes PROFILE Professional "Curriculum Vitae" of James D. Barnes, Architect (2024) MICRO-HISTORY History of the "William Myers Section" -- Dallas, Texas, USA Perspective Research: GRECO-ROMAN HISTORY Two short essays about Greco-Roman development of Perspective NON-EUCLIDEAN PERSPECTIVE An Introduction to the Perspective Illustration of Non-euclidean Geometry (2017 -- a digital eBook)       A Mathematical Query       The Ideal Non-euclidean Gyroscope: An Unsolved Problem       (2021-- PDF, 1 page plus 1 illustration)       Notes regarding the Hyperboloid Model       Comments regarding visualization methods for Hyperbolic Geometry       (2022 -- PDF, 19 pages) HOW EYESIGHT DIFFERS FROM PERSPECTIVE How Perspective is not, but is, an exact simulation of human eyesight (2019 -- a digital eBook) Posted: 10th April 2013 -- Last revised: 26th February 2024 |