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The fact that many key figures of thermodynamics have had tragic lives makes good material for (dark) jokes in class.

This winter I transited from working alone on a big project to searching for new employment.

For me the day that will never come was last Saturday.

Olivier Cleynen Fluid mechanics nerd of sorts, passionate teacher, daydreamer.

I am delighted to release the textbook Engineering Thermodynamics today, completely free to download at thermodynamicsbook.com.

[last of a series: Two Years a Teacher] [student names have been altered] Memories I take with me.

My greatest success in these two years teaching physics in high school was called the Human Project.

The authors of their physics textbook thought it would be things like “what is the relationship between voltage and current” but instead they asked me: How many car batteries do you need to supply Magdeburg with electricity for one day?

[part of a series: Two Years a Teacher] At the start of the school year I would hand my students a questionnaire with a few personal questions, then answer the same questions for them.

Probably the least fun part of being a high school teacher in Germany is becoming one to begin with.

Over the course of my second year teaching in high school, I was able to make much clearer sense of what I was doing.

I have just completed a two-and-a-half-year stint as a high school Math and Physics teacher at the Internationales Stiftungsgymnasium Magdeburg.

I write this in the hope of saving time for others faced with a defective or broken active pen for their Smart whiteboard, since I couldn’t myself find any information on disassembling this pen.

Last month I made a conference talk titled “the Cockpit Classroom”.

My views about software, privacy, technology and have changed a lot since I first wrote on this website sixteen years ago, and with them, my understanding of how our society works.

I started teaching in high school one year ago, and I have found help in books.

This month marks one year since I started teaching in a high school in Germany.

Over the last few weeks, I have started picking up trash on the way to work.

Je suis revenu sur mon expérience avec mon livre de thermodynamique dans un article publié aujourd’hui sur le Framablog : Mais où sont les livres universitaires open-source ?

Cette année, le projet Wikimedia Commons, la base de donnée multimédia qui se cache derrière les projets Wikipédia, fêtera son dix-huitième anniversaire.

It’s hard to describe to other people what it feels for me to listen to Keith Jarrett’s music, because it sounds so mystical.

[updated 2023-01-01] If you are paying revenue tax in Germany, the German federal government can support you financially with your donations, in the form of reductions in your revenue tax.

In the summer of 2020, I rented a drone and took photos and videos of Magdeburg, Germany.

Now that the semester is over, I can take a few moments to reflect over the 2020 edition of my fluid dynamics course at the University Otto von Guericke of Magdeburg.

I own a city bicycle with a very nice 3-speed Shimano Nexus 3 wheel hub.

The beginnings of this mahogany desk from my dad’s house are not known for sure.

Through my work as a university teacher, I am in a position where my decisions regarding technology directly involve and affect other people.

By Olivier Cleynen and Samuel Voß You are a university student in Europe, you have very little money, and are unsure whether you should buy a laptop, and which one: we wrote this guide for you.

Part 1: The optimization loop Part 2: A sandbox for experimentation Part 3: Practice In my first three months of using Dakota, I have learned several things worth discussing.

Part 1: The optimization loop Part 2: A sandbox for experimentation Part 3: Practice In order to play with the configuration settings of Dakota’s moga optimizer, you may use a “sandbox” demonstration optimization case in which the results are quickly obta…

Part 1: The optimization loop Part 2: A sandbox for experimentation Part 3: Practice Dakota is an open-source optimizer with many functionalities.

In this short post I would simply like to link to Jason Wong’s series of posts on diversity and inclusion, written over the last year.

I didn’t have coins to buy stamps at the machine-which-gives-you-change-only-in-stamps, so I waited ten minutes in the post office to buy them from a human.

At the moment, I belong to those people who would rather be kids than have them, and so last month I bought myself an electric skateboard.

Quelques petits projets réalisés récemment parce que l’occasion s’en présentait : Un changement d’ampoule de phare de Renault Modus ; Une page web pour expliquer comment faire des majuscules accentuées ; Un puzzle en trois dimensions avec quatre roues mot…

I discovered the Bechdel test about nine years ago.

Depuis que j’ai écrit un livre de thermodynamique, je reçois deux ou trois fois par an un e-mail dans lequel, en substance, quelqu’un détaille un procédé ou une expérience qui va à l’encontre du second principe de la thermodynamique, avant de me demander…

The first article I would like to write this fall is an opinion column I taped on my office door last November, after the Paris attacks.

A story in three pictures, titled “The Vertical One is Just Slightly Harder Chalk”.

Things you should probably find out by yourself, rather than read on a website, if you aspire to be a teacher: All that you work on with your students is gone after two years – all of your files lost, all the paper recycled.

Any given point of equilibrium should only be given as much attention as its stability.

Every time I take a picture with my digital camera, the embedded software stores a large amount of information along with the photo inside the file, contained in EXIF tags.

2005-2012

[Ceux que l’on appelle à tort les « natifs numériques » ] sont semblables à toutes les générations qui suivront.

Trois quarts d’heure de queue devant le bureau de vote ce matin.

I am an avid, passionate music listener, and so it happens that I regularly draw myself into difficult recordings.

Our perspective changes so much as we grow and as time passes that all personal accounts of changes are skewed.

I became the third owner of the six year-old laptop this summer.

Last of a series of posts about an aeronautical engineering course I created this year.

We are almost done with a series of posts about an aeronautical engineering course I created this year.