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You didn't miss much. It took 20-30 minutes each pass, plus the extra cost for the discs.

But even if you were fine with that, it came out too light under actual lighting conditions, even after you burned it twice, which defeats the use case of making it look professionally labeled. For home use, a Sharpie beat it in every way.


Huh, that wasn't my experience. I mean, it absolutely was slow especially with sufficiently complex labels, but they generally came out fine. Granted, you absolutely couldn't just drop any arbitrary image into the LightScribe software and have it come out looking good, you'd have to mess with the contrast, but black-and-white text and line art would come out fine. And more legible than Sharpie, with my handwriting.

For a very low-sales side business (my father's hobby) the discs looked sufficiently professional to impress the people buying them — mostly his friends.

The disc shown on https://en.wikipedia.org/wiki/LightScribe looks normal.


A good reason you have to use these sticks is stand-alone devices.

For example, you need to print something; take some data from an oscilloscope or other instrument.

Your alternatives are to connect those devices to your network or some devices run Windows you can alt-tab out of and install your own software. Given risks and complexity of those, a hardware encrypted USB stick is the least bad.


The first scenario is due to anti-trust complaints forcing Apple to treat their pre-installed apps identically to third-party ones. (Also why you can "delete" system apps.)

If that was completely true I would have deleted the News app long ago. Maybe for weather apps but there's still some selective enablement by Apple on this front.

You can delete the News app, give it a try.

On iOS yes, on MacOS (26) it won't let me. I've not tried 27 yet. There's no option to 'move to bin' or delete, and dragging to the recycling bin does nothing. Same with most of the other supplied Apple Apps on MacOS.

The printer is subsidized by the price of the cartridge. If you want to pay the hardware subsidy without getting any hardware, they're fine with that.

Any LLCs and PLLCs (physicians, attorneys, lawyers, accountants, architects, etc.). An owner of a LLC cannot be an employee of it and therefore is pass-through.

>faculty research overhead pays for department TAs

The majority comes from tuition budgets, which are assigned per credit-unit. This also pays for faculty salaries. Math is heavily dependent on tuition because they get little overhead. Life sciences is buying millions of dollars of equipment, chemicals, animals, lab staff that incur overhead, none in math.

>departments with rich professors maintain their TAs even through budget cuts

In fact the University of California does not get to keep any overhead. It goes right back into the State of California General Fund and the CA Legislature, as part of the budgeting process, decides where it goes (obviously considering where it came from). During a budget squeeze, overhead can be diverted elsewhere.

Because of this, for a number of years, it was unknown whether the research enterprise at the University of California was actually covering its overhead costs or operating at a loss.


>This is common practice among tenured professors with grant money to spend and graduate students beholden to them (I’m not making a moral statement, just noting this is common practice).

No, that's not common at all, nor how the system works. Use of graders/TAs are on an institution basis.

"Grant money" has absolutely nothing to do with it. Grant money is earmarked for specific research and cannot be spent for teaching purposes. When grant money is used to hire graduate students, they are research assistants and must work on the research project which the grant money was given for.

TAs/graders come from separate tuition budgets. Tuition dollars are much more preferred anyway because they're stable and faculty do not have to work for them, they show up based on enrollment.

The fact you have TAs/graders at all is by institution. Large R1 institutions have grad students and undergraduate population to fill these roles. In these institutions, 1 minimally sized undergrad class = at least 1 TA, with additional TAs and graders after some enrollment threshold.

Tenure has absolutely nothing to do with it. Adjunct faculty get TAs/graders all the same.


Indeed, to support your point, I had a teaching assistantship for my first two years of grad school, meaning that I worked on an as-needed basis for things like supervising labs, proctoring exams, grading papers, etc. It was funded by the department. Where I went to school, the TA workload was pretty light.

Then I got a research assistantship, which was funded by my advisor's grant. I meant that I got paid to do my thesis research, and no longer had to teach. This was a precondition for joining his group.


My department introduced a rule requiring us to TA a certain number of times. There were too many research fellowships and they were short on TAs.

My group was new, lacking much in the way of research funds. Therefore, we taught for support (Chemistry): lab proctor, recitation leader. Somebody had to wrangle those 1000 people taking 1st-year chemistry. Pre-med, pre-vet, pre-dental, biology and a rare chemistry major or two. In return, the department covered my living expenses. This was in ancient times, but I figure similar mechanisms exist today because the student base seems to be quite similar.

And, for larger undergraduate courses, the graders may be undergrads hired to do this menial work for the TAs, while the TAs focus on things like extra study sections and office hours.

As a CS undergrad, I did that kind of work at UC Berkeley in the 90s, grading courses that I'd taken 2-4 semesters earlier. I even did a semester as a TA, because the professor was having a hard time finding enough grad students who wanted to deal with one of those larger classes.


This is how it's worked since medieval times and the reasoning for the degrees being called bachelors and masters.

Like all analog formats, vinyl has a non-linear response. Things like total amplitude and frequency content affect noise and distortion when reproduced. Another factor is that it's a constant angular velocity medium, so the response is different at the beginning than the end. These are factors that a good mastering engineer takes into account.

This occurs in the digital world as well. When we went to DVDs, the studios had encoders/authoring engineers, who tweaked compression parameters per scene, as compression is another non-linear process. For example, they might apply a small amount of blur on a dark scene where film grain trips up the compression.

Eta: Apple provides the exact pipeline [1] they use for their services so the sound engineer can listen to the output and adjust.

[1] https://www.apple.com/apple-music/apple-digital-masters/


Giving them way too much credit... it's probably for a bug discovered in 2024.

My impression is "why" is political, with regulations like EU's eIDAS and other national digital sovereignty efforts setting the rules. It's not even WebTrust that's the target in most cases, it's the ETSI EN 319 series and ISO 21188.

Is it possible to convince the EU to say that, no, each one of your 27 member states isn't allowed to have a PKI? I don't think so.


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