jrapdx3

12 ms·

91.
by jrapdx3 3y ago
3D images have captivated me since I was a kid. A frequent source of amusement was the "Victorian wallpaper effect" and even without a viewer I could easily see classic stereo photo pairs in 3D. Not at all difficult to see the &qu
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by jrapdx3 3y ago
> At an essential level, science can't answer how many things work... Indeed, science provides scant information about how drugs work and that includes medications with effects (favorable or not) in the brain. The reality is that
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by jrapdx3 3y ago
Absolutely, what a great addition to all kinds of cuisine! I'd never intentionally minimize the merit of chilis. I use chilis a lot, couldn't imagine cooking without them. Your point is well-taken. FWIW, along with chilis a number
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by jrapdx3 3y ago
By coincidence I noticed this article while in the process of preparing lamb curry for dinner. The article quoted researchers studying ancient spice trade and usage: "Of the 40 tools we analyzed, 12 produced a range of spices including
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by jrapdx3 4y ago
Many years ago I visited Dachau, truly an eye-opening experience. I'm certain many Germans did care what was happening but they were quickly silenced or intimidated, ultimately powerless to stop the horrific actions of the government.
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by jrapdx3 4y ago
> "...though weighing things out that precisely is quite challenging, especially if they are viscous liquids." The "error tolerance" in mixing epoxy is probably at least 1% so inexpensive scales are quite adequate. Th
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by jrapdx3 4y ago
Having mixed, and used, quite a bit of 2-part epoxies, I concur that measuring by weight is far more satisfactory vs. attempting to measure volumetrically. Most industrial epoxies are mixed at ratios of 2:1 to 5:1 (resin/hardener). The
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by jrapdx3 4y ago
Just curious, I have an SC800 (the model has been discontinued). I've used the printer (fairly lightly) and not run into issues (yet anyway). Not real clear what limits to number of prints or other EOL criteria you've observed. In
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by jrapdx3 4y ago
You make a number interesting points. FWIW I've been a printmaker for many years and know many artists "successful" and not. Museums acquire work through purchase and donation, the ratio varies among museums and divisions wit
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by jrapdx3 4y ago
Yeah, that's how I remember it too. Back then I wondered why some people I knew bought SUVs even though they were only needing to commute to/from work. In the early 2000's my own situation changed, I was needing to haul relat
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by jrapdx3 4y ago
Printmaking has been an activity of mine for decades so I found this article particularly interesting. Of course a great number of printmaking methods have been employed over centuries. Classics include block printing, etching, engraving, l
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by jrapdx3 4y ago
I think that's often right, in a sense anyway. Let's put it this way: there's a crucial difference between selfishness and actually having a self. (That is, taking responsibility for all that belongs to oneself--much more eas
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by jrapdx3 4y ago
Yup, changed SSH port from 22 to another, the attempts to barge in continue but don't succeed. The motivation for trying to intrude escapes me. I mean if a site is well-known it would make more sense. An obscure and obviously personal
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by jrapdx3 4y ago
Like so many others I also have created my own website to show my artwork (photography, printmaking), recipes for the benefit of others with dietary restrictions (low-sodium), and software projects. But to me it's much more than a webs
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by jrapdx3 4y ago
Appreciate the kind words. Whenever I do something actually useful, it's a real thrill!
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by jrapdx3 4y ago
Amphetamine has such an interesting history. Synthesized in 1887, first used in the 1930s, and in 1937 discovered to have a remarkably favorable effect on hyperactive boys. Methylphenidate (Ritalin) came along somewhat later. 85 years later
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by jrapdx3 4y ago
> I think you’re purposely pretending like you don’t know what I’m talking about. No I wasn't. Though I'm aware of the effects you mention in this comment. Adderall or any amphetamine, including methamphetamine acts similarly.
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by jrapdx3 4y ago
Yes, it is a problem finding clinicians with interest in and experience with ADHD adults. In larger cities there are usually a handful of people who qualify, sometimes associated with teaching hospitals. Another possibility is asking at a c
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by jrapdx3 4y ago
> "Growing up, ADHD was my biggest enemy in life and I didn't even realize it." That corresponds to what many ADHD adults have experienced. Based on what I've observed among ADHD patients, early response to treatment
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by jrapdx3 4y ago
> "I mean, anyone benefits from Adderall whether you have ADHD or not." What benefits of Adderall are you referring to? Drugs like Adderall can have distinct adverse effects, like cardiac arrythmias, increased blood pressure, j
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by jrapdx3 4y ago
You're right, defining a "disorder" is hardly a boolean question. ADHD has been studying extensively and there is substantial evidence for biological origins. For one, heritability very high, reported to be somewhere between
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by jrapdx3 4y ago
ADHD is a common condition in adults, estimated to be around 3-5% of the population. It's very frequently comorbid with other behavioral disorders like depression, bipolar disorder, obsessive-compulsive disorder, etc. But even "pu
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by jrapdx3 4y ago
Traditional paper-bound journals are intrinsically limited re: number of articles that can be published. OTOH online publications aren't so restricted, so why not publish all that are worthy? I think the real question is the quality of
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by jrapdx3 4y ago
I've thought about this a lot. It's becoming a serious issue for museums since increasingly contemporary artwork incorporates digital processes, for example video and photographs. Archivists worry about stability of storage media
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by jrapdx3 4y ago
Sound like a solid approach. No surprise your documentation helps everyone including yourself, all of us are truly in the same boat. Now the trick is convincing other programmers to do what you do, if they did the world would indeed be a mu
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by jrapdx3 4y ago
True that lead, radioactive materials and asbestos are orders of magnitude more hazardous than moderate RF exposure. I think an issue raised by the research is the amount/frequency of RF needed to cause subtle injury to brain neurons a
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by jrapdx3 4y ago
To my way of thinking documenting the work is vitally important, even more important than planning in some respects. Or maybe we could say planning is just another form of documenting what we're doing (or trying to do). Sure, writing c
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by jrapdx3 4y ago
In the study researchers were focusing on brain cells. The brain generally has a high rate of blood flow so by your reasoning brains cells would be less affected than low-flow regions like the eye. But measurements would have to be taken at
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by jrapdx3 4y ago
FWIW the researchers argued against the RF-induced damage being due to thermal effects. However, if not thermally-induced, how RF damages cells apparently is unknown and remains to be determined. But I can't think what else could be in
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by jrapdx3 4y ago
According to the article thermal effects of the RF exposure were minimal to nil. There was evidence of damage to brain cells that was attributed to RF exposure. However mechanisms leading to damage within the cortical neurons aren't cl

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