July 3rd, 2008
On New Year’s Eve 2008 the evil sorcerer Gargamel captures 100 Smurfs and locks them up in his completely dark cellar. In there, he removes their white hats and randomly puts each Smurf a hat on from his collection of 10 red and 90 white hats. When finished, he tells them one or more Smurfs now wear a red hat and they have to find out who do, but they have to obey the following rules.
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April 27th, 2008
That’s what I used to read in some newsgroups during the 90’s. Back then, the number of usenet postings was already growing exponentially. The bad “signal” to “noise” ratio, i.e. rubbish versus useful postings, led to predictions of the imminent collapse of the net.
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November 19th, 2007
I’ve updated my list of free recommended applications for Mac OS X 10.4+. So far I’ve found no good reason to run Windows instead of Mac OS X for all daily tasks.
- AdiumX - free instant messaging application that can connect to AIM, MSN, Jabber, Yahoo, and more.
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November 14th, 2007
Dear readers, I’ve just returned from a great holiday in Japan. Our semi-organised trip went roughly from the northeast to the southwest of Japan: Tokyo, Utsukushi-ga-hara-kogen, Matsumoto, Kiso, Kyoto, Nara, Kurishiki, Hiroshima, Miyajima, Sandankyo, and finally Fukuoka. Below are some of my observations about Japan.
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June 20th, 2007

After I bought my MacBook last February, I’ve become a serious Mac addict. What Microsoft brainwashing never managed to achieve with slick duo presentations (look Jim it codes itself!) at TechEd, Steve Jobs did. I admit I’ve watched every possible Apple video that can be found in the cloud. From the Mac vs. PC series and iPhone demos to every keynote, speech or interview Apple’s CEO ever gave.
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May 24th, 2007

Pan’s Labyrinth (El Laberinto del fauno) is a two hour must see movie that has left me enchanted and somewhat sad. It tells the story of young Ofelia, stepdaughter of a sadistic army officer, who survives harsh reality by escaping into a fantasy world. Director Guillermo del Toro shows us how children still have the ability to dream and use magic to make their life (and end) more bearable.
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February 26th, 2007

Every once in a while I have to convince people that statistics is a counter-intuitive and very difficult discipline. Let me give you some intriguing examples that illustrate you should never trust your intuition to estimate probabilities. Remember this article next time you’re tempted to attribute supernatural powers to somebody because he/she knows personal information which seems impossible to guess.
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December 29th, 2006

Climate change righteously got a lot of attention the past year. Not only by public plea of celebrities Al Gore and Bill Clinton, but also in many scientific journals like Science and Nature.
In other words, our climate is a “hot” topic, it is “in the air” and “on everybody’s (albeit sunburned) lips”. So, I decided also to do my part by publishing the 2006 Climate Logbook, i.e. climate related news items collected from various sources.
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September 13th, 2006
Maarten van Rossum is Professor of American Studies (in Dutch: Amerikanistiek) at the University of Utrecht. He is also known in the Netherlands for his elaborate and witty comments on TV about current political affairs. Last evening Robbert, Micha and I attended his 2½ hour (including a short break) lecture “The Cold War (part I)”.
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July 24th, 2006
Bernardo Bertolucci’s “Last Tango In Paris” is this weeks’ special in film cafe ‘t Hoogt in Utrecht. Its lead actor Marlon Brando (1924-2004) is widely considered the greatest movie actor of all time. So there was no way I was gonna miss this one. Going to the theatre for a classic movie beats watching a DVD at home anytime.
Since I welcome contributions to this blog by others, I asked my good friend Robbert to write a review about Last Tango in Paris. So here goes ….
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June 9th, 2006
Gaston and I have just returned from a great holiday (city trip) in Russia. We visited both Saint Petersburg (11 days) and Moscow (2 days). Instead of staying in expensive hotels, we decided to rent apartments which has many advantages: it is cheaper (half the price of an equivalent hotel room), you have more living space, cooking facilities, and it is not so touristic. If you choose well you will really live among the locals.
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May 7th, 2006
Occasionally, Sunday afternoon is sacred to me. Then I just sit down in cafe ‘t Hoogt and read a news paper by myself. Personnell must have long ago observed I’m here once every couple of weeks and only on Sunday, reading the Saturday paper. I know the small crowd, for example there is a guy who I always just nod to when I come in, I will never talk to him and we both know it.
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April 17th, 2006
Last Saturday four friends ate at cafe ‘t Oude Pothuys in Utrecht. After that they all went to ‘t Gras Van De Buren, and later on the singles moved to cafe Hofman. Finally, two of them, Gaston and I, visited the quieter cafe Belgie until 3:00am. We had a good time and enough alcoholic beverages to cloud our judgement. However, Gaston and I later on agreed that going out to crowded noisy bars is a highly overrated experience. Why do we think so?
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April 7th, 2006
Its 7.5 rating at IMDB was a tell tale sign and made Robbert and me decide to watch the movie Inside Man in Utrecht’s Rembrandt theatre.
The storyline of Inside Man (2006, directed by Spike Lee) is at first sight straightforward. Like Ocean’s 11, it is centered around the ever so popular perfect bank robbery theme, but many things are different right from the start. The main bad guy, the bank robber Dalton Russell (played by Clive Owen, to me a blend of Nicolas Cage and Russell Crow), opens the movie by telling into the camera that he’s locked up in a prison cell.
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April 2nd, 2006
Today I changed hosting technology and will continue blogging using Wordpress. It will take some time until I have reinstated all articles from my previous blog (note Sept. 2006: restored two more old articles).
Wordpress’s web enabled editor produces valid XHTML 1.0 Transitional, which is very nice. Furthermore, it separates content, style and functionality, which is a prerequisite for any decent web CMS. Anyway my dear readers, I will be playing around with Wordpress the coming weeks so don’t be surprised if this blog’s look&feel will change drastically from time to time.
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January 28th, 2006
Saturday late afternoon. Sanne, Robbert and I drove to Arnhem. Rumour has it the Rijnkade houses a variety of interesting restaurants. Since temperatures were sub zero, we didn’t hesitate long to pick one. It seemed we had stopped in front of Rose’s Lounge. One peek inside had us collectively crying out: this place looks very wrong, very kitsch! But in we went anyway, curious and ready for adventure.
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August 24th, 2005
Yesterday, I saw the movie The Island starring Ewan McGregor as Lincoln Six Echo, and Scarlett Johansson as Jordan Two Delta. Lincoln and Jordan, like many others, live inside a seemingly perfect hightech institute, safely hidden from the contaminated outside world. Occasionaly, there is a lottery and the happy winner is allowed to go to The Island, the only place outside which is not contaminated.
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May 31st, 2005
Intelligent Design (ID), an alternative to Darwin’s Evolution Theory, is big in the Dutch press at the moment. According to its proponents, research reveals nature is constructed in such an ingenious way that there must be an Intelligent Design (a God) behind it all.
ID has many followers in the USA. In the Netherlands, there is a small group of protestant scientists (amongst them one Opus Dei member) of various disciplines that support ID. Our minister of education, Maria van der Hoeven, spoke with two of these proponents and now promotes the ID discussion with the idea to unify scientists of different backgrounds.
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March 9th, 2005
I had a dinner discussion with friends about the upcoming last stage of our current oil-based (fuel, materials) economy. By 2030 oil supplies will be nearly finished and the price of oil will rise sky high. I hope we can eventually switch to a clean hydrogen based economy in which hydrogen fusion will only yield harmless Helium gas, and hydrogen burning just plain water.
I’m not an expert and don’t know whether oil from seeds and solar energy is an economically viable replacement in the near future or whether we will temporarily be stuck with nuclear power plants as a main power source. However, I do have some ideas about the future (the year 2030) of IT.
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November 30th, 2004
Years ago, I bought a little old book with the mysterious title “An Experiment with Time” (1927) written by a certain J.W. Dunne. I found it by chance in a second hand bookshop. At that time, I scanned its content quickly with the intent of reading it more carefully later. Now I’m halfway through (it’s no easy read) and its contents baffles me. Could this book, obviously written by an intelligent man, have been overlooked? Could the author’s Theory of Time, make any sense? J.W. Dunne was, as I soon found out, a true Homo Universalis, a very versatile man who has been an inventor, a writer, a soldier and an accomplished aeronautical engineer. Why did we never hear about the man?
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October 21st, 2004
Three Dutch film buffs drove to Kleve, Germany, to watch the fall of the dictator. We (Robbert, Maarten and I) arrived two hours before the start of the movie so we could enjoy large German beers and a perfect Schnitzel in the restaurant (annex Bierhaus) next door. Der Untergang tells the story of the last days of Adolf Hitler (1889-1945) in his hide-out, a bunker in Berlin. It is told from the perspective of Hitler’s secretary Traudl Junge (1920-2002).
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July 19th, 2004
The sky over Berlin was mostly clouded and rainy last week, but I nevertheless enjoyed my stay. I found East Berlin having more of a distinct atmosphere than West Berlin, which I think is - apart from the well-known beautiful spots - a normal large European city.
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June 6th, 2004
Last tuesday I attended a lecture about consciousness by Bas Haring, a Dutch A.I. researcher, philosopher, and author of the book “De ijzeren Wil”. What follows are my comments and additions to the contents of his talk.
Haring started with the question: “what is consciousness”? The French philosopher Rene Descartes (1596-1650) already wondered if we can be really sure that we (and the world around us) exist.
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June 2nd, 2004
I’ve recently found out about ADS (Alternate Data Streams), an obscure feature of the Windows NT/2000/XP/2003 file system NTFS. Because NTFS was designed to meet POSIX compliance, streams (”files within a file”) can be added to any file or directory.
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May 23rd, 2004
” … ultimately, in the great future, we can arrange the atoms the way we want; the very atoms all the way down!”
Richard P. Feynman - There’s Plenty of Room at the Bottom (talk at Caltech, Dec. 29, 1959)
The other day, my colleague Robbert and I attended a lecture about nanotechnology by Prof. Dr. Cees Dekker (Delft University of Technology). Nanotechology is the technology to display, manipulate and measure single atoms and molecules. “Nano” refers to the nanometer (nm), a unit of spatial measurement that is one billionth of a meter.
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