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Comment solution: religious protection (Score 1) 784

It seems like >95% of the posts here are in support of the parents. The next logical question should be "what can we do about this"? Sure, there are political avenues, but those are slow.

I think there might be a much faster way - we already have a special class of people who can mistreat their children by most of societies standards and get away with it - I'm thinking here of the Christian Scientists who deny almost all medial treatment to their children, and the Jehovah's witnesses who deny a smaller but still measurable subset (anything requiring blood transfusions).

If you can use religious freedom to justify clearly life-threatening decisions for your children, then I suspect so called "free-range parenting" could also gain protection given the right scripture. Perhaps the religion that offers this already exists; if not it shouldn't be so hard to create....

Comment Re:The best gift? (Score 5, Insightful) 113

Agreed. I thought maybe this piece would be interesting because it would feature interesting gear rather than poorly thought out opinions and commentary. But apparently he can't even choose interesting gifts let alone solve mildly difficult real-world problems.

I'd use slashdot beta if it offered Haselton free reading.

Comment Matlab is not elegant, but it is useful (Score 1) 205

I've used Matlab for 10 years. I do not enjoy its syntax, but it's fast at what it does (matrix math) and has a huge library of tools built in that are also quite fast. It's also very cheap for academics, which is why it has such a stronghold there. People who say "switch to C or Python" for huge immediate speedups rarely know what they are talking about - they only projects I know of that tried that found that their code (again, matrix heavy) ran slower, not faster. With a lot of optimizing and the right libraries, yes, it is possible. But for most Matlab users their time is mostly spent developing, so that would be a poor tradeoff.

It's much more pleasurable to write or read python (or lisp (or smalltalk)) code, but you lose the kitchen sink. Here's a quick example: printf. Yes, it's ugly. And takes a little while to learn. But, it's very good at formatting text, and has all the options you need, want, or will ever want. Well, matlab is a language filled with printf style functions for every kind of data visualization you could want.

That said, TFA sounds like a load of crap. Anybody in google want to share what really goes on? I'm sure it depends a lot on which group you are in - machine vision and AI surely use a lot of matlab, whereas search probably never heard of it.

Comment Old news, really (Score 2) 291

The link between salt and blood pressure is pretty clearly not the one your Dr. tells you, and this has been known for a really long time. Even the first study to show the "link" turns out to be bunk science:

http://www.stat.berkeley.edu/~...

More recent meta studies have shown that about as many papers find a positive link as a negative link between blood pressure and salt - yes, eating more salt can lower your blood pressure (or, more likely, it's all just noise). Look it up on Pubmed if you want to read all the details. It's a good skill: you'll quickly learn more than your Dr. does about any topic of real concern to you, unless your Dr. is a specialist or obscenely good at his job.

What's sad is that simple to understand explanations that lead to simple to follow prescriptions (ie eat less salt) tend to stick around way longer than the scientific consensus behind them.

Comment A lot of complexity, a little gain? (Score 2) 98

That sounds like a lot of overhead for a problem that seems unlikely. I've used lots of multi-user linux boxes over the years and never noticed that a few bad users ruined the experience for everybody else. If it's really an issue, think of it instead as a learning opportunity - post concise instructions on proper lab utilization and how to use top, etc to check if somebody else is the reason why the machine you are using is slow. Then let users police each other.

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