15 Jun 202115 Jun 2021Leen NoordzijLeave a Comment on Isoperimetric Inequality, an Engineering Approach: a Fallacy? Updated 2021-06-15. § 2.Comparison of rectangle and circle with same perimeter. Isoperimetric Inequality, an Engineering Approach: a Fallacy? Updated 2021-06-15. § 2.Comparison of rectangle and circle with same perimeter.
13 Jun 202113 Jun 2021Leen NoordzijLeave a Comment on De Fermat and the method of ‘Descente infinie’ Updated 2021-06-13 §3.1 Triples De Fermat and the method of ‘Descente infinie’ Updated 2021-06-13 §3.1 Triples
21 Apr 202121 Apr 2021Leen NoordzijLeave a Comment on Mijn geschiedenis van de haven van Pernis. 1942-1954, de haven, het water en de watersnood. Updated 2021-04-21, Edited en De zee en het strand van Hoek van Holland en Rockanje Mijn geschiedenis van de haven van Pernis. 1942-1954, de haven, het water en de watersnood. Updated 2021-04-21, Edited en De zee en het strand van Hoek van Holland en Rockanje
10 Apr 202110 Apr 2021Leen NoordzijLeave a Comment on Innovation, Education, Research and Reengineering Updated and Edited 2021-04-10 Conclusions A definition of Liberal Arts Innovation, Education, Research and Reengineering Updated and Edited 2021-04-10 Conclusions A definition of Liberal Arts
2 Apr 20212 Apr 2021Leen NoordzijLeave a Comment on A History of Shipping and Propulsion Edited and Updated 2021-04-02 Youtube video’s added. A History of Shipping and Propulsion Edited and Updated 2021-04-02 Youtube video’s added.
12 Feb 202112 Feb 2021Leen NoordzijLeave a Comment on 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 2021-02-12 Edited and Updated Aanvulling Intermezzo Baccalaureaat. 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 2021-02-12 Edited and Updated Aanvulling Intermezzo Baccalaureaat.
13 Dec 202013 Dec 2020Leen NoordzijLeave a Comment on Prime Numbers, Pythagorean Triples and Goldbach’s Conjecture Updated 2020-12-13 Edited, §1.3 Euclid’s Formula for Pythagorean Triples Prime Numbers, Pythagorean Triples and Goldbach’s Conjecture Updated 2020-12-13 Edited, §1.3 Euclid’s Formula for Pythagorean Triples
27 Apr 2020Leen NoordzijLeave a Comment on Puzzles with my grandchildren Updated 2020-04-27 Water-lilies growing in a pond Puzzles with my grandchildren Updated 2020-04-27 Water-lilies growing in a pond
24 Jul 201820 Sep 2018Leen NoordzijLeave a Comment on De scheepvaart en voortstuwing De scheepvaart en voortstuwing
12 Jun 201618 Sep 2018Leen NoordzijLeave a Comment on History or historical interpretation. History or historical interpretation.
