Leen Noordzij – Page 2 – 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.

8 Dec 20228 Dec 2022Leen NoordzijLeave a Comment

Incompleteness, Uncertainty and Archimedes ‘Lever’. Update 2022-12-08, §15 Artificial Intelligence, The Juvenalis Dilemma. The Ultimate Lever: Know Thyselve Use Ockham’s razor to make the lever work

29 Nov 202229 Nov 2022Leen NoordzijLeave a Comment

Ship Hydrodynamics, Ship Propeller Acoustics and Cavitation. Updated 2022-11-30 Edited

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.

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

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

23 Mar 202223 Mar 2022Leen NoordzijLeave a Comment

Wiskunde D Online VWO 4, Summary Blok 1-7 and solved Problems Mathematics Preparation for College, yOUlearn Updated Blok 7 2022-03-23 Les 2 Series Een klassieke meetkundige reeks: Achilles en de schildpad.

5 Mar 20225 Mar 2022Leen NoordzijLeave a Comment

Wiskunde D Online VWO 5 Summary Blok 8-14 and Solved Problems Mathematics, Preparation for College, yOUlearn Blok 14 Dynamical Processes Toets Logistical growth, Updated 2022-03-05, Edited alle opgaven van de Toets en in addition to the course(toegift): a seperable Differential Equation explained(Note)

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

dr.l.noordzij@leennoordzij.nl