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  • ornery_chemisttoScience Memeswe don't talk about powerpoint
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    15 days ago

    I don’t use gVim, but for work stuff that I don’t have to share (mosly just notes), I use markdown in Obsidian w/ vi mode :) It’s not FOSS and Electron is bloat, but it is really slick, and my boss approved expensing the $50 seat license for business. I might check out logseq in the future, but Obsidian was a lot more mature back when I was looking around. My only beef is that Markdown doesn’t natively support sub/superscripts, which are kinda important for chemistry. Most editors implement extensions, but they’re not always portable.


  • ornery_chemisttoScience Memeswe don't talk about powerpoint
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    15 days ago

    Do you have an alternative to suggest?

    For the general user? Not really, I’m just venting :) I have the unsubstantiated, possibly irrational belief that MSO UX ought to be far more polished after having existed for so long. Like you said, most of my frustrations have workarounds, even if they are buried or tedious (though the tedium is part of my contention).

    For making slides or posters, someone in school recommended to lay out a poster or each slide completely in ChemDraw (basically a specialized, widely used vector-based WYSIWYG editor for organic chemistry) and paste the lot onto a PPT slide. That works reasonably well and makes everything have a consistent look, especially since most slides of mine contain chemdraws of molecules anyway. ChemDraw does have its own warts and somewhat limited functionality beyond drawing molecules and text. Also, since like 2019 the rendering and UI have gotten so much slower. For posters and basic diagraming, I currently use Inkscape, pasting things as needed. Inkscape also has its quirks, but its interface is so much more powerful and the UI so much more responsive than either ChemDraw or PPT that it is the clear winner for me. Though, it is also not winning any startup races.

    For Excel, you’re unfortunately correct; there is no suitable WYSIWYG spreadsheet replacement. While I can do essentially all of the typical numerical hacking I do in Excel with (IMO) a better experience in LibreOffice Calc, it falls down when I need to show it to someone else. The charting in Calc is lackluster, and it doesn’t play nice with Office file formats. Also, my workplace (though not me personally) makes heavy use of Excel UI + VBA + fortran (!) DLLs for reactor modeling…

    LO Writer is probably the closest to Word in usability, but compatibility with Word files is still subpar, mostly to do with styling and formatting. Both are bloated for probably 50% of my use (e.g., writing up informal procedures or meeting minutes). Wordpad (RIP) is nice in that regard.

    it used to be a direct menu item but now it is quite buried…

    My colleague swears that UI in MSO before Office 2007 was so much better, but I can’t comment much on that.


  • ornery_chemisttoScience Memeswe don't talk about powerpoint
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    16 days ago

    I mean, it’s okay… I feel like I run into inconveniences in MSO every day. Off the top of my head (solutions welcome):

    • Absurd startup times for opening documents. Worse if there isn’t an instance of the app already open. Part of the blame goes to my company’s antivirus software, but Excel and PowerPoint are easily my slowest-starting apps, and Word is the runner-up. All UI animations are also stupidly slow, though I think that was a design choice.
    • A pasted graphic goes to the center of the slide in ppt regardless of the current zoom or view. Annoying for making large posters, exacerbated by delayed rendering of lots of graphics.
    • Likewise, zooming occurs relative to slide’s center, not the current zoomed view or from the mouse pointer.
    • No easily accessibly horizontal scroll outside of using a touchpad (i.e., scrollbar only). Tilting the mouse wheel (if I even have access to such a mouse) either doesn’t work or only slightly nudges the view. Also makes posters tedious in combination with pasting issue. Something like shift+mousewheel would be nice.
    • Dragging a scroll bar does not update the view until you release it.
    • Sometimes the amount of space between a bullet point and text in a PPT text box changes when all others are remain the same. Possibly a skill issue related to styles. Still frustrating.
    • Dragging objects autoaligns them to seemingly everything except what I want it to. I now run with snapping turned off.
    • Pasting charts between documents changes to destination formatting/styling by default.
    • Pasting text from external sources keeps formatting by default. Never have I ever wanted to copy a web page’s or email’s font, color, and size into my own docs. I could have sworn that there were also circumstances where ctrl+alt+v doesn’t work properly, but I can’t seem to remember/reproduce that at the moment.
    • Dates in Excel. It’s a meme, but also true.
    • Excel seems to have a “root” window (the doc opened first), and it does not play nice with virtual desktops. If you try to open a spreadsheet from Windows Explorer or some other app (e.g. web browser) on VD B while the root window is on VD A, you are forcibly switched to VD A, where the doc actually opens (after a complimentary delay, of course). Then I have to find the freaking window in Task View and move it back to VD B. There is a reason I wasn’t adding more windows to VD A to begin with. Incidentally Word and other MSO apps do not have this issue for some reason.
    • If one doc window freezes/stops responding, they all do.
    • Aligning things in Word
    • A few common color palettes are not colorblind-friendly.



  • ornery_chemisttoScience Memessafety first
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    17 days ago

    Correct. The article in question reports that boiling specifically hard water results in the coprecipitation of some portion of the microplastics with calcium carbonate. The precipitate then settles out, and the depleted bulk solution can be decanted to separate it from the MPs.




  • A good exercise to dust off trig. Hopefully no typos involving u, v, 1, 2, α, and β.

    Trigonometric solution

    By definition of |u| and Pythagoras, we can see that u1 and u2 can represent the lengths the legs of a right triangle with |u| being the length of the hypotenuse. Similarly for v. The triangles can be visualized in the usual way by plotting the vectors in the XY plane centered at the origin, with u1 and v1 constituting the X coordinates and u2 and v2 the Y coordinates of u and v, respectively.

    Let α and β be the respective angles that u and v make with the X-axis. Then, θ = β - α, and

    u1 = |u| cos α

    u2 = |u| sin α

    v1 = |v| cos β

    v2 = |v| sin β

    Now consider the expression:

    |u| |v| cos θ

    = |u| |v| cos (β - α)

    = |u| |v| (cos β cos α + sin β sin α) (cosine angle difference formula)

    = (|u| |v| cos β cos α) + (|u| |v| sin β sin α) (distribute)

    = (|u| cos α)(|v| cos β) + (|u| sin α)(|v| sin β) (commutativity, associativity)

    = (u1)(v1) + (u2)(v2) (substituting)

    = uv (definition)







  • ornery_chemisttoScience MemesLPT Do it.
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    1 month ago

    This is exactly it. My advisor wanted a word doc to edit, not a PDF. I wasn’t quite snooty enough to think that he should learn latex. Though, if he ever took the time to learn (what time?), I’m sure the writing process would be unbearable for other reasons not entirely related.