history – Leen Noordzij

22 Oct 202222 Oct 2022Leen NoordzijLeave a Comment

Mijn geschiedenis van de haven van Pernis. 1942-1954, de haven, het water en de watersnood. Updated 2022-10-22, Intermezzo de school pag. 20 /21

26 Sep 202226 Sep 2022Leen NoordzijLeave a Comment

De beginjaren van de THT. An experiment with Liberal Arts at Twente Institute of Technology. Mijn studie en promotie aan de THT 1964-1973. Updated 2022-09-26 Aanvullingen op pagina 33

26 Sep 202226 Sep 2022Leen NoordzijLeave a Comment

A History of Shipping and Propulsion Edited and Updated 2022-09-26 Edited and Chapter 9 Flettner rotors added.

22 Feb 202222 Feb 2022Leen NoordzijLeave a Comment

De Fermat’s Last Theorem, Pythagorean Triples and The Descente Infinie revisited In Search for the Margin of Diophantus 2022-02-22 Edited and additions(§5.2), typos

29 Jan 2022Leen NoordzijLeave a Comment

Prime Numbers, Pythagorean Triples and Goldbach’s Conjecture Updated 2022-01-29 Edited, §5.2 Remark on Goldbach’s Conjecture

21 Jan 2022Leen NoordzijLeave a Comment

Innovation and Its Fallacies. Expect the improbable. A change from exnovation to innovation. Updated 2022-01-21 Prologue Serendipity

2 Jan 2022Leen NoordzijLeave a Comment

Isoperimetric Inequality and the Isoepifaeic Inequality Updated 2022-01-02 footnote 2, page 31

4 Jul 20214 Jul 2021Leen NoordzijLeave a Comment

De Fermat and the method of ‘Descente infinie’ Updated 2021-07-04 §§ 3.1 and 4.

22 Jun 202122 Jun 2021Leen NoordzijLeave a Comment

Innovation, Education, Research and Reengineering Updated and Edited 2021-06-22 Conclusions pages 10, 11 and footnote

10 Jun 202110 Jun 2021Leen NoordzijLeave a Comment

Archimedes’ Lever, Trisectrice of an angle by Geometrical Iteration Updated 2021-06-10, Edited and § 6.11: direct geometrical iteration of β/3 for 2π/3<β<2π

dr.l.noordzij@leennoordzij.nl