Leen Noordzij – This blog is about, business, climate change, culture, economics, physics, education, Fermat, history, innovation, mathematics, politics, quantum mechanics and technology.

When everybody is going in one direction, choose another one.

Groupthink is the end of humanity.

27 Sep 202227 Sep 2022Leen NoordzijLeave a Comment

Ship Hydrodynamics, Ship Propeller Acoustics and Cavitation. Updated 2022-09-27 Edited , Appendix Photo of a cavitating ducted propeller

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.

24 Sep 202224 Sep 2022Leen NoordzijLeave a Comment

Climate Change: From Fossil to Solar, Wind, Hydrogen and Nuclear Updated 2022-09-24 edited a.o. for the effects of the war in Ukraine.

9 Sep 20229 Sep 2022Leen NoordzijLeave a Comment

Incompleteness, Uncertainty and Archimedes ‘Lever’. Update 2022-09-09, §4 The Multiverse, §15 Artificial Intelligence, an Oxymoron?

31 Aug 202231 Aug 2022Leen NoordzijLeave a Comment

Quantum Mechanics in Pennsylvania-Undergraduate Course Updated 2022-08-31 Chapter 9, Angular Momentum, 2- and 3- Dimensions. Problem 9.7.1 Position representation wave function

15 Jul 202215 Jul 2022Leen NoordzijLeave a Comment

Mijn geschiedenis van de haven van Pernis. 1942-1954, de haven, het water en de watersnood. Updated 2022-07-15, §§ 3 en 5 aanvullingen en aanpassingen

4 Jul 20224 Jul 2022Leen NoordzijLeave a Comment

A Platform-Expert System to support Business and Society with Compliance for Regulations on Climate Change, GDPR, CCPA, Product Safety and Health. Edited and Updated 2022-07-4, §6 Healthcare and Google Health

24 Jun 202224 Jun 2022Leen NoordzijLeave a Comment

Transformation, a Business Case. Updated 2022-06-24 Edited, additions, a.o. Courts of Appeal Ruling

6 Apr 20226 Apr 2022Leen NoordzijLeave a Comment

Wiskunde D Online VWO 6 Summary Blok 15-16 Updated 2022-04-06 Blok 16 Les 4 Edited

dr.l.noordzij@leennoordzij.nl