pdonis

52 ms·

901.
by pdonis 2y ago
> act for the changes they see needed in today's world The Constitution provides a process for amending it, and that process has been used twenty-seven times. That is the proper process for "acting for changes" if you th
902.
by pdonis 2y ago
> the inability to adapt to changing times and keep up with technology that itself is shaping society None of that changes the basic principle that the US government was supposed to uphold, namely, that the role of government is not
903.
by pdonis 2y ago
> are those phenomenon not also consequences of density? No, density is a consequence of the object's structure. Hydrostatic equilibrium supported by degeneracy pressure leads to higher density than hydrostatic equilibrium support
904.
by pdonis 2y ago
> it's the concentration of mass (density) that defines neutron stars and black holes. Not really, no. What defines a neutron star is that it is in hydrostatic equilibrium supported by neutron degeneracy pressure. If we include th
905.
by pdonis 2y ago
> Neutron stars weigh in at about 1.4 solar masses Observed neutron stars actually have a range of masses, from the 1.4 solar mass point (which is the maximum mass for a white dwarf, so one would expect to see neutron stars of about th
906.
by pdonis 2y ago
> what distinguishes a compressed mass of neutrons from unconfined quarks/gluons. If the density and pressure get high enough, there is no longer a stable "neutron" state in which three valence quarks are bound together.
907.
by pdonis 2y ago
> Because people tend to have fallible memories whereas GPS is reasonably accurate. GPS locations are simple to look up on, for example, Google Maps--I just click my mouse at the place where I know the bench I took a picture of is loca
908.
by pdonis 2y ago
For those who can't get past the paywall on the actual paper by Cavalcanti et al., the arxiv preprint is here: https://arxiv.org/abs/1907.05607
909.
by pdonis 2y ago
Is there a reason why you require photos to be geotagged rather than allowing people to manually enter a location?
910.
by pdonis 2y ago
You're missing the point: he did not send an email with a link, he sent an email in plain text, no hyperlink, containing the ASCII characters "example.com", and the recipient's email client silently changed it into a
911.
by pdonis 2y ago
> the amount of radiation you are exposed to does accumulate its negative affects What kind of radiation? If you mean ionizing radiation, the evidence, as far as I know, is mixed; some indicates there is buildup over time, some indicat
912.
by pdonis 2y ago
> this really isn't how radiation works. Yes, actually it is, at least as far as the risks of security scanners vs. flying are concerned. The radiation you get exposed to in an airplane at altitude is largely ionizing radiation. T
913.
by pdonis 2y ago
He was the Founder who ended up being President when the US had both the motivation (which had been there for some time) and the naval resources (which had only just been coming online) to do something about it--but I don't think he wa
914.
by pdonis 2y ago
> protection of civilian shipping is one of the most legitimate major uses of the Navy As I understand it this was the position of the US Founders as well (and it is also mine).
915.
by pdonis 2y ago
I like how clicking "here" for English takes you to a DuckDuckGo search.
916.
by pdonis 2y ago
Stable hosting--which we, the taxpayers, who already paid for the research that was published, then have to pay again to get access to, unless we're affiliated with an academic institution, in which case the academic institution is pay
917.
by pdonis 2y ago
> what about discoverability? That's what Google and other search engines are for. arxiv.org even has its own search function. Nobody depends on journals for this. > Would researchers just submit their document to every librar
918.
by pdonis 2y ago
If what they do isn't good, why would we want them to keep doing it?
919.
by pdonis 2y ago
We need to eliminate the publishers period. Publishing on the Internet is free.
920.
by pdonis 2y ago
"Emitting only water vapor"--which is a much worse greenhouse gas than CO2.
921.
by pdonis 2y ago
> Switching between threads with the GIL is already fairly unpredictable from the perspective of pure-Python code. But it still prevents multiple threads from running Python bytecode at the same time: in other words, at any given time,
922.
by pdonis 2y ago
> This code could already be run in multiple threads today, with a GIL. Yes. > And it would be broken - in all the same ways it would be broken without a GIL, correct? Yes, but the absence of the GIL would make race conditions mor
923.
by pdonis 2y ago
> removing the GIL won't introduce races into pure-Python code that is already race free with the GIL. What do you mean by "race free"? Do you mean the code expects to be run in multiple threads and uses the tools provid
924.
by pdonis 2y ago
> removing the GIL isn't expected to really impact pure Python code. If your Python code assumes it's just going to run in a single thread now, and it is run in a single thread without the GIL, yes, removing the GIL will make
925.
by pdonis 2y ago
> if the GIL didn't prevent races, it would be trivially removable Nobody is saying the GIL doesn't prevent races at all. We are saying that the GIL does not prevent races in your Python code . It's not "trivially
926.
by pdonis 2y ago
I'll respond there.
927.
by pdonis 2y ago
The GIL does not prevent race conditions in your Python code. It only prevents race conditions in internal data structures inside the interpreter and in atomic operations, i.e., operations that take a single Python bytecode. But many things
928.
by pdonis 2y ago
This article says that the proposed tachyon quantum field theory doesn't work: https://arxiv.org/abs/2406.14225
929.
by pdonis 2y ago
> I can send him a signal too, right? Yes. Rather than stop accelerating (you weren't in the first place, you were in a free fall orbit in my scenario), you can just send a light signal back, which is a lot simpler--and uses a lot
930.
by pdonis 2y ago
> If the moon orbited earth a little bit faster, would the number of microseconds per day accumulated change (even if ever so slightly)? Meaning, if you attached rockets to the Moon to speed it up while not changing its orbital radius?

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