Leen Noordzij – This blog is about, business, culture, economics, education, history, innovation, mathematics, politics and technology.

FERMAT’s Last Theorem and PYTHAGORAS. Proof by Contradiction. Updated 2018-12-14

Mathematics Physics Quantum Mechanics

Quantum Mechanics in Texas. Updated 2018-12-09

Economics Innovation Politics solar-and windpower

The Netherlands on Solar- and Wind Power without Natural Gas? Transition? Another Dutch disease by an “Energiewende”. Updated 2018-12-12

History Mathematics

Pythagorean Triples Updated 2018-11-25

Universiteit Twente

De beginjaren van de THT Mijn studie en promotie aan de THT 1964-1973

Biology History

Ludwig Boltzmann, Richard Dawkins and the History of Memes.