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Comment: Real reason: not enough resources (Score 3, Insightful) 114

by Frans Faase (#43618165) Attached to: Dutch Bill Seeks To Give Law Enforcement Hacking Powers
It has been argued that one of the real reasons behind this bill is the lack of resources with the police to follow-up all the now already available means of tracking down offenders. Appearantly, it is much cheaper to use hacking tools than to do some old style research and detective work. Or at least that is the impression given by those marketing these hacking tools.

Comment: LOFAR - interferometric array (Score 2) 67

by Frans Faase (#43155127) Attached to: IBM Designing Superman Servers For World's Largest Telescope
ASTRON is the organisation that is also running LOFAR, which is basically a smaller version of SKA in a different frequency range. It is an interferometric array which requires a central system to process all the signals into one result. LOFAR is using a lot of dedicated hardware and a IBM Blue Gene/L supercomputer for this purpose. Because all the signals are digitized at the receivers, this result is a very large stream of data, which are processed (but not stored) by a pipe-line of processors, each combining more and more signals, into one final image.

Comment: Bike production CO2 footprint (Score 1) 976

It would not surprise me, if the production of the bike causes more CO2 to be released than all the extra CO2 that is produced while using the bike. Also, one would also need to look at the life style effects of people who do bike and who don't to determine if cyclist do produce more CO2.

+ - A Supersonic Ping Pong Gun->

Submitted by
Frans Faase
Frans Faase writes "The Ping Pong gun or Ping Pong bazooka has been a popular and compelling tool for physics education. However, the design necessarily means the ball emerges at subsonic speed. The design has been modified to include a pressure chamber and a convergent-divergent nozzle, similar to the design of some supersonic wind tunnels. This modification results in supersonic speeds. The current design has achieved a launch speed of 406 m/sec, about Mach 1.23."
Link to Original Source

Comment: Christian Freeling (Score 2) 47

by Frans Faase (#42459471) Attached to: AI Systems Designing Games
I guess that you should read How I invented games and why not by Christian Freeling to understand that designing games with AI is nonsense, because the best games always come from combining mechanisms and not by changing the properties of some of the pieces at random and trying to find an interesting combination. Chess like games, with pieces with different properties, are not the class of most interesting board games.

Comment: Re:And since when has Lego not done sets? (Score 1) 425

by Frans Faase (#42378249) Attached to: Has Lego Sold Out?
I remember that in the sixties you could buy boxes with just pieces from one colour. I would not consider thoses sets. I also remember buying a container with Duplo blocks for my daughter about 15 years ago. Although Duplo is technically not Lego, it is produced by the same company and compatible with Lego. Although they are rare, these sets with only simple block, still are being sold. As for example Lego set 5509.

Comment: Re: 10 ... : GOTO 10 is a loop (Score 1) 438

by Frans Faase (#42155995) Attached to: How Does a Single Line of BASIC Make an Intricate Maze?
There are some interesting mathematical problems. Like given a certain width and an endless number of rows, if you start in at an arbitrary 'square', what is the distribution of the number of other squares that you can reach? (with or without wrapping?) What if it is endless in two directions?

Comment: Found in a field (Score 1) 513

by Frans Faase (#42029267) Attached to: Dutch Cold Case Murder Solved After 8000 People Gave Their DNA
The victim was found in a field along the road to her home. She had celebrated Queens Day in a disco and was biking home. Sperm was found on her body and she had a cut in her neck. A closer examination revealed that she was strangled with her own bra. DNA found on a cigarette lighter in bag matched DNA found on her body, suggesting that the person who killed her, was someone she knew. Google translate of Dutch fact article.

Comment: Re:Sounds improbable (Score 1) 513

by Frans Faase (#42027449) Attached to: Dutch Cold Case Murder Solved After 8000 People Gave Their DNA
It is important that they were living in a small community. It already has been reported that some family members of the victim had contact with the man who had been arrested. It is thus possible that the victim knew the man. And even if they did not know each other, it is still possible that the cigarette lighter was passed on through a family member. Cigarette lighters belong to those items that are often 'shared' among people, especially among people that have some social relationship.

Comment: Refactor your code correctly (Score 2) 167

by Frans Faase (#41678611) Attached to: Ask Slashdot: How To Get Paid For Open-Sourcing Your Work?
If you have to factor out custromer-specific stuff it means that your code is not well refactored and does not have clean interfaces. While you are writing code for a customer, you should take care that at the end you can release your open source parts immediately. The extra time this might cost is quickly returned, because your code will be cleaner and easier to develop. It will also result in component that are beter to use by others, because they do have a clean interface. One reason why open source components are often not reused because they have a bad interface. Refactoring is a great technique to develop clean interfaces. You will benefit it from yourself if you learn to create clean interfaces. It is an art not easily managed, I have come to realize.

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