lutusp

24 ms·

31.
by lutusp 6mo ago
>> Power Supply: 12 V DC (≈1.5 kW peak) > That's a lot of juice for 12VDC Indeed it is. It's 125 amps, which apart from car starting motors is essentially unheard of because of wiring losses. I think the article somehow g
32.
by lutusp 6mo ago
> This isn’t a library, you don’t include in your application, and it doesn’t try to replace an understanding of floating point issues on the programmers part. If that were true, it would serve no purpose, since competently written float
33.
by lutusp 6mo ago
> You didn’t even look at what the tool does, did you? On the contrary, I did exactly that. It proactively intervenes where mathematical knowledge would be a better remedy overall. It shields programmers from their ignorance. If floating
34.
by lutusp 6mo ago
> I think it's going to be awhile before the full impact of AI really works it's [sic] way through how we work. This was definitely not written by AI. Granted their many drawbacks, present-day AI engines avoid this classic gram
35.
by lutusp 7mo ago
Second reply -- if anyone wants to run Dune3D, flatpak or compiled, they must set this flag in advance: export GDK_DEBUG="gl-prefer-gl" I discovered this while trying out the compiled version (it's essential for the program t
36.
by lutusp 7mo ago
Thanks -- I missed this. If it pans out, it might get me to shift away from SolveSpace, which has a few perpetually annoying quirks.
37.
by lutusp 7mo ago
Okay, but unless you choose to download the Windows executable, compiling from source is very difficult. Many people won't accept the Snap option on an otherwise open-source platform. This project improves on SolveSpace, but it does th
38.
by lutusp 7mo ago
Wait a sec -- the reason RSS readers don’t have ads is because no one uses them. If we all used RSS, the advertisers would follow us there. The linked article doesn’t offer any real remedies, so I will: * Step one: dump Microsoft Edge, inst
39.
by lutusp 7mo ago
It's true that a Nobel prize can blunt a scientist's productivity, but for balance, the kind of extraordinary result that merits a Nobel might also not be replicable in one scientist's career, regardless of how the world reac
40.
by lutusp 8mo ago
Imagine Isaac Newton (and/or Gottfried Leibniz) saying, "Today we're announcing the availability of new mathematical tools -- contact our marketing specialists now!" The linked article isn't about mathematics, techn
41.
by lutusp 8mo ago
>> So it seems science relies on people's integrity, not avoidance of any particular focus. > Science relies on replication. If that were true, then extraterrestrials would be real, because people repeatedly report sightings
42.
by lutusp 8mo ago
This idea suffers from a number of practical obstacles: One, in a sufficiently advanced field of study, an idea's originator may be the only person able to imagine an experimental test. I doubt that many physicists would have immediate
43.
by lutusp 8mo ago
> Molecules do not "think" though. Wait ... our brains are composed of molecules, and we think with our brains. That makes it a question of scale or organization, not principle. This may sound kind of woo-woo, but many people a
44.
by lutusp 8mo ago
Readers should be aware the New Scientist regularly publishes articles that ... aren't remotely scientific. In this case, one clue is the presence of the word "mind," which, notwithstanding its colorful history, isn't ac
45.
by lutusp 8mo ago
> I doubt anyone could make a reply to this comment that would make me feel any better about it. You may be right, but just to have said it : the Fast Fourier Transform requires complex numbers. One can write a version that avoids comple
46.
by lutusp 8mo ago
On this general topic, guess how distant the horizon (the "vanishing point") is, across open water, assuming clear weather and a six-foot-tall observer standing on a beach? The answer is a mere six miles. Next curious fact -- the
47.
by lutusp 9mo ago
> Man, you really went ahead and tried to compare Minneapolis with Teharan. It would help if you could spell "Tehran". Then notice that in either place you can be killed for annoying authority figures, without due process or re
48.
by lutusp 9mo ago
This true story moves us because it resembles much of human history, in which clever but powerless people struggle against morons -- morons who somehow gain control over a modern industrial state, then use that power to punish innocents who
49.
by lutusp 9mo ago
A fascinating example of data animation
50.
Most Popular Computer Operating Systems 1981 – 2025 [video](youtube.com)
1 points by lutusp 9mo ago|1 comments
51.
by lutusp 9mo ago
> The kind of rug-pulling you describe only works if the software implements an online licensing check/DRM, and either way has nothing to do with security against malicious behavior. My point was that an open-source program cannot r
52.
by lutusp 9mo ago
A much simpler remedy is to plug a computer into the TV, then program the computer to show the desired / appropriate content. This would be much simpler than trying to design a remote control meant to circumvent a TV manufacturer'
53.
by lutusp 9mo ago
> Is such a thing intellegent [sic]? Certainly NO! A proofreader would have caught this humorous gaffe. In fact, one just did.
54.
by lutusp 9mo ago
> Open-source only matters if you have the time/skill/willingness to download said source (and any dependencies') and compile it. Not really. The fact that an application is open-source means its originator can't rug-
55.
by lutusp 9mo ago
> I thought the whole point was if it did exist the motion goes faster in one direction than the other. No, the idea was that, in a space filled with the hypothetical ether, Earth's velocity through the ether should have been detect
56.
by lutusp 9mo ago
Nice project! This video: https://www.youtube.com/watch?v=5nBY4Y0bicM explains why the original interferometer was designed in the first place: to detect a hypothetical luminiferous ether, before Relativity theory made it u
57.
by lutusp 9mo ago
I'm very happy to see this account of what once passed for normal life. It serves as a reminder that doomscrolling, however addicting it may be, is not reality. During my time hitchhiking across the lower 48 U.S. states (in the 1960s),
58.
by lutusp 9mo ago
> Pretty sure in the USA you can patent mathematics if it is an integral part of the realisation of a physical system. Yes, that's true. In that example, you're not patenting mathematics, you're patenting a specific applic
59.
by lutusp 9mo ago
Too bad -- the article doesn't mention Gauss. The Fourier transform is best presented to students in its original mathematical form, then coded in the FFT form. It also serves as a practical introduction to complex numbers. As to the l
60.
by lutusp 9mo ago
American: "Wow -- yet another example of practical math linked to everyday sources." European: "Yes, but not your everyday sources." 1190mm (A0 height) / 841mm (A0 width) ⩰ √2 11" (US letter height) / 8.

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