133arc585

joined 1 year ago
[–] [email protected] 1 points 1 year ago

Muons are naturally generated by cosmic ray protons colliding with atmospheric molecules and creating pions, which then rapidly decay to muons and muon neutrinos.

So in theory they could exist anywhere in the universe somewhat close to a star, if the relevant particles in our atmosphere are around that star? That's what I meant about the density distribution: are they spherically distributed around (all) stars, or are they only present in very specific situations?

These themselves then decay into a bunch of other things.

I thought they had a small selection of possible decay products. Not particularly relevant to me at the moment, though.

As you say, with a mean lifetime of 2.2 nanoseconds, they shouldn’t be able to hit the surface of the Earth, but because at relativistic speeds time dilation occurs from our frame of reference (or, equivalently, in the muon’s inertial frame, it sees the distance it has to travel be radically shortened via length contraction), they do end up hitting the earth.

I mistyped the mean lifetime, it's actually 2.2 microseconds. That's three orders of magnitude different, but from a (non-relativistic) view it would still only travel about 66 centimeters. I'm missing too much information to try to solve the length contraction equation (I don't know its length, or its velocity) for the observed length. I'm curious here because they're able to travel on the order of roughly 50 meters into the Earth, and from what I can find they disappear there due to absorption from the many atoms they pass through on that path. So that leads me to a question: If there is not relatively dense earth to get in the way and attenuate the muon, such as if it were produced by a gas cloud beside a star, how far would it realistically be able to travel? Since the muons on Earth "die" from absorption rather than lasting long enough to decay via weak force, they would, in open space, surely be able to travel far enough without enough collisions such that they do end up "dying" by decay.

Thanks for the reply, I am curious here about something that I don't have enough knowledge to answer for myself.

[–] [email protected] -2 points 1 year ago

Your comment doesn't make any sense.

The fundamental forces are physical forces.

It is feasible for consciousness to be something like a force (more accurately, perhaps, a field) and as such it would be by definition a "physical" force. The use of the modifier "physical" on force doesn't make much sense here: all forces are physical, as are all things that actually exist. It could be useful to consider the objects of consciousness as emergent, and the force of consciousness as fundamental; I don't know enough about this line of thought to say much on that.

Consciousness is not a force, as far as we know.

That's literally what the comment you're replying to says. Emphasis on "as far as we know". There's no obvious way to dismiss it outright as not being a force, it's just that as far as we know currently, it isn't a force.

I don't personally have a well thought out stance on the matter.

[–] [email protected] -2 points 1 year ago (1 children)

The conflict is not occurring in a vacuum. They can pretend that they are the only ones who can make that decision, but without the West sending ridiculous amounts of money in arms and support, they wouldn't be in a position to make any decision. As long as they're entirely dependent on others, they can't monopolize the decision making here.

[–] [email protected] 13 points 1 year ago (5 children)

the worth of the guns and tanks and other things we’ve been giving them that were just collecting dust over here?

Use of reserves motivates replacement. Just because you're giving them weapons that were produced in the past, and therefore whose (production) cost has already been incurred, doesn't mean that occurs in a vacuum. With stock running low, contemporary money goes in to replenishing that stock. In effect, there's no difference whether you send old or new equipment, because both incur costs in the present.

No actual money was involved and so didn’t really cost us anything.

It cost you exactly the amount it cost to produce them. Just because it was produced in the past, doesn't mean it was free. You paid for it X years ago, and are only now seeing it used. You paid for it. Moreover, you're now going to pay to replace it.

[–] [email protected] 3 points 1 year ago (2 children)

Tangentially related but I can't seem to find the answers and I have a couple questions that perhaps someone can answer:

  1. Do stars actually generate muons directly? From what I understand the muons on Earth are a result of cosmic rays colliding wtih particles in the atmosphere.
  2. If they do, how far do they travel before decaying? Even if they travel at relativistic speeds, they have a mean lifetime of 2.2 ns, so the math seems to say they don't travel very far at all on average.
  3. Either way, are there any other sources of muons in the universe? I'm curious what the muon density distribution in the universe would look like.
[–] [email protected] 0 points 1 year ago* (last edited 1 year ago)

You're not completely wrong but neither is the person you're replying to. While the raw materials of construction may have an established supply chain, NPPs are unique in at least two ways:

  1. Each has a somewhat different engineering design to account for conditions of where it's built; and
  2. Since the designs differ, the construction process necessarily differs and, due to uniqueness, is inherently more expensive and complicated than just building something off-the-shelf or standardized like a house or office building (or, relevant here, a wind farm).

Raw materials is only part of the supply chain: there's construction (as you mentioned), but also engineering and design.

The expense of NPPs, including going over-budget and having to adjust engineering designs for new regulations, is largely because NPPs are regulated to "internalize" their externalities. Whereas a coal plant is allowed to pollute in gathering the raw materials, is allowed to pollute in producing electricity, and is allowed to pollute in disposal, and has weak safety standards overall, NPPs must be mostly self-contained and over-engineered for safety. If coal plants had to control all of their pollution, be earthquake resistant, be airplane-hijacking resistant, etc they would also routinely be over-budget and have delays, and have unique designs for each plant. Now, there is something like a plateau here, where at some point we will have decided on a fixed set of regulations, and common design features can be identified and re-used more than they are now, and therefore NPPs could become less expensive. But we aren't there yet. Comparatively, we do have a practically fixed set of regulations and common design features for much of the renewable sources.

Currently, other renewables get to benefit from existing supply chains where NPPs can't really, but it doesn't have to remain that way, and there's reason to believe it will remain that way.

[–] [email protected] 10 points 1 year ago (3 children)

.io is a ccTLD though and is subject to the whims of the British Indian Ocean Territory. They can, for any reason, remove domains. See what recently happened with Mali and .ml.

[–] [email protected] 55 points 1 year ago (15 children)

They're obviously not fascist, and you'd know that if you were being honest about it and bothered educating yourself both on what fascism is, and on the realities of the PRC.

Also, it's not "state capitalism". They do use a market economy in addition to a planned economy, as part of the overall socialist economic system. It's not a binary either-or; using a market economy doesn't mean it's capitalism, and planned economy (intervention) doesn't mean it's socialism. They're structural terms, and relate to purpose: capitalism's purpose is to maximally extract profit and concentrate wealth; socialism's purpose is to better the lives (materially and culturally) of its people. China, as a socialist system, takes advantage of the benefits that a market economy can offer (efficiency, competition, resource allocation, demand and pricing signals) but doesn't use it to extract and concentrate wealth: instead, it uses the net benefits of the market economy to benefit the people. Similarly, a purely planned economy can be very stable and fair but is prone to stagnation and slow progress. By using both systems simultaneously, taking the relative advantages of each, China is able to benefit from efficiency and stability. There's also no pure free market economy: every capitalist economy has degrees of government intervention (another name for planned economy), especially in times of crises.

[–] [email protected] 11 points 1 year ago* (last edited 1 year ago)

Congratulations citizen! You have been awarded with a 600 FICO score for promulgating sinophobic nonsense. If you also prove that China is the Big Evil, you can get an additional 250 FICO score.

--

I don't think you see the irony in using the dead trope of "Social Credits" when an actual credit score exists in FICO and can be used to deny you housing, loans (and therefore access to education), jobs, and more. And if you think it's just financial transactions, try looking at what companies like LexisNexis have on you that it coalesces into things like "RiskView", or how much of a profile skip tracing agencies have on everyone. Then you have the profiles built on you by several government domestic (and foreign) surveillance agencies. And you have the profiles built on you by several big tech companies. Just because there's not a single, unified, government-sponsored surveillance and consumer rating agency doesn't mean the tangible effects of such disparate systems aren't identical to what you claim happens in China (i.e., denial of services and access). It doesn't matter if it's 50 different entities controlling parts of the system if the end result is identical.

[–] [email protected] 8 points 1 year ago (1 children)

Gotcha, no problem, I did take it as criticism of my comment but that was a reflex.

[–] [email protected] 19 points 1 year ago* (last edited 1 year ago) (1 children)

Indeed. Funk can not only move, it can remove.

[–] [email protected] 19 points 1 year ago (3 children)

The person I replied to wasn't able to name the forces beyond gravity, so I think over-simplification and reduction to specific phenomena they would have heard of is appropriate.

 

Recently my NAS took some physical damage and the HDDs are not too happy about it. Most of my video files are partially corrupted. Meaning, they report some errors when checked with ffmpeg[^1], and when you watch them they'll sometimes freeze or skip a few seconds, but they're not so corrupt they won't play. So, the vast majority of the file is fine. I'd prefer to avoid re-downloading all of my media when such a small fraction of the total file is damaged.

Is there any way to only download chunks of the file that have errors?

In the mean time, I can repack and ignore errors[^2] so that the freezing/pausing stops during playback, but it'll still skip parts or otherwise act up.

[^1]: ffmpeg -v error -i $vidfile -map 0:1 -f null - [^2]: ffmpeg -i $vidfile -c copy $newvidfile

 

I went down a little rabbit-hole earlier regarding Neo-Nazi influence in Ukraine, especially with the Azov Batallion. I'm not going to add much commentary, just provide some articles and quotes I found enlightening.

I was looking through some Wikipedia articles on music genres, and stumbled across National Socialist black metal, which has an interesting line:

In 2012, the NSBM Asgardsrei festival was established in Moscow, Russia, and then in 2014 relocated to Kyiv, Ukraine, where it is closely linked to the activities of the Ukrainian nationalist network Azov Battalion and functions as an international hub for neo-Nazism and other far-right politics.

Following this to the Asgardsrei festival, where we get

The festival is strongly connected to Alexey Levkin of М8Л8ТХ, and his "Militant Zone"[^1] label, who act as organizers and originally founded the festival in Moscow in 2012. Levkin and the Militant Zone are heavily involved in the Ukrainian nationalist Azov Battalion and the paramilitary Russian Volunteer Corps.

I followed some of the sources from that page and came across several things I found very interesting.

A Black Metal Festival in Ukraine This Weekend Is the Neo-Nazi Networking Event of the Year. Vice. 2019.

Hundreds of far-right extremists will converge on Ukraine’s capital this weekend for a “militant black metal” music festival that experts say has become a networking hub in the international neo-Nazi scene. [...] According to Haaretz[^2], Asgardsrei was founded by Russian neo-Nazi Alexey Levkin, a far-right dissident who came to Ukraine in 2014 to support Azov, which has since actively forged links with like-minded groups elsewhere. Levkin describes himself as an ideologist “who gives lectures in culture, history, and contemporary political thought” to National Militia — the paramilitary street wing of the sprawling Azov movement, which also has a regiment incorporated into Ukraine’s national army, as well as its own political party, National Corps. [...] Meanwhile, Azov has pursued an outreach program to cultivate links with far-right groups internationally. Olena Semenyaka, international secretary for Azov’s political party who has strong ties to Levkin, traveled to meet contacts in Germany, Sweden, Italy, Croatia, and Portugal in the past year.[^3]

Europe's NSBM scene gathers in Kiev. Endstation Rechts. 2018.

The political arm of the notorious paramilitary Ukrainian "Azov" regiment acts as the mastermind behind the festival and conference.

A National Socialist black metal festival in Kiev is much more than just music. pov.international. 2019.

The Militant Zone is housed in the Kossack House, located close to Maidan Square, where the revolution broke out in 2014. The house is the center of the Azov Social Corps, a subdivision of the far-right National Corps party [...] The National Corps is the political arm of the Azov Movement, an umbrella organization based on the Azov Battalion , established as a paramilitary army unit in 2014, fighting Russian-backed separatists in the eastern part of the country, where the Ukrainian army lacked strength to defeat himself. In the same year, the unit was incorporated into the Ukrainian National Guard. The battalion was established by a well-known neo-Nazi, Andriy Biletsky, who is today the leader of the party. He managed to attract neo-Nazis to the army, which also had fighters from other countries in their units. [...] In 2018, the US Congress decided that Azov should not receive a share of the funds with which the Americans support the Ukrainian army, among other reasons, because Azov has expressed himself as anti-Semitic.

One thing that stood out to me is that several sources mention Nazis moving from Russia into Ukraine (an action this Neo-Nazi festival itself took as well). Another is the international networking and recruitment efforts of the Neo-Nazi scene in Ukraine. What surprised me as well was that the Neo-Nazi Azov Batallion was incorporated into the Ukrainian national army well after it was known they were Neo-Nazis. Moreover, there's seemingly no push-back or prohibition of not just the ideological recruitment, but the international involvement and gathering in Ukraine.

[^1]: ASGARDSREI V – NOKTURNAL MORTUM, PESTE NOIRE, M8L8TH, KRODA KIEV, (18.12.2016) festival home page showing Azov merch [^2]: Most neo-Nazi Music Festivals Are Closely Guarded Secrets — Not This One in Ukraine. Haaretz. 2019. [^3]: What the Hell Are Ukrainian Fascists Doing in the Hong Kong Protests?. Vice. 2019.

 

Apologies if this isn't the best community for this question, I wasn't sure where else to put it.

I am looking to replace my WiFi router. It will only have a few devices on the wireless side, with the majority of my network data going between wired devices. Any gaming or latency-sensitive stuff will be on a wired device as well. The range doesn't have to be all that much, the total square-footage it needs to cover is pretty small, and there is nothing wifi-blocking to deal with (no metal/brick internal walls, etc). The only part that might be somewhat picky is: I either want good customization/configuration options or the ability to install a custom router OS (last I checked, openwrt is still popular?). Also, there are a couple older devices that I want to be able to connect still that only support up to 802.11n. I am very price sensitive.

From my looking so far, I've found

  • TP-Link Archer A7, which supports openwrt, but I don't think supports WiFi 6
  • TP-Link Archer AX10/AX1500, which does support WiFi 6, but I can't find info about openwrt support
  • TP-Link AC1200 A6 V3, which is dirt cheap but I can't find info on openwrt support, and I can't tell what WiFi version it supports

I don't think I've used a TP-Link router before so any opinions there would be welcome (apologies if I butchered the naming scheme on the routers, it seems they all have several A___ numbers associated with them); they are at the top of my list currently due to their price and having the features I need.

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submitted 1 year ago* (last edited 1 year ago) by [email protected] to c/[email protected]
 

I accidentally posted this to [email protected] before I noticed the sidebar said to ask buying suggestion questions here:

I'm looking to replace my failing phone. I don't need fancy hardware in terms of camera, high storage, any crazy screen technology or the like. I don't need a large sized phone, in fact I'd prefer something on the smaller side. I need it to be either bloatware/spyware-free on arrival, or easily de-bloated (permanently). I am thinking that instead of running stock Android I'd probably try either LineageOS or /e/OS anyway, so that might solve the bloatware issue.

My most important factors to consider are:

  • Price
  • Battery life
  • Headphone jack
  • De-bloated or de-bloat-able

I haven't been in the phone market for years and have not payed much attention to phone developments, so I'm kind of at a loss of where to start. What I've done so far is looked at the LineageOS supported devices, and it seems some of the lower-end Motorola phones might be the best fit for me. I looked at some of the higher-end phones that aren't the newest generation as well, but there it seems like I may run the risk of not getting (security) updates for much longer, versus buying a newer lower-end phone.

Also: can carriers force push install apps if you're running something other than stock Android? For example, if I use LineageOS can I prevent a carrier from pushing an app installation (even by SIM)?

 

I firmly believe a lot of current mental health issues are worsened by living under capitalism, as do others. Some of the most obvious examples to me are:

  • Anxiety about being able to afford food and housing, having a stable job, not having emergency medical events, etc.
  • Depression from not having free time due to being overworked, or from not being able to afford entertainment and distraction, etc.

One potential remedy to mental health issues has been developing in the form of psychedelic therapy. Besides the issues related to restricting access by making the treatment prohibitively expensive (both the drug and the administering physician) that are seemingly unavoidable in profit-driven healthcare systems, I think there's a massive danger in using psychedelics to effectively pacify people.

Psychedelics can be used maliciously, in that they can be used to help people accept their life as it is--this sounds fine, until you realize that it can be used to make people accept being exploited and being effectively destitute. I think the problem here is that the medical institutions (and probably most patients) are going to have the goal of: being less depressed, less anxious, etc. If psychedelics were actually used to "wake people up to their reality", they'd probably become more depressed, more anxious, etc--counter to the stated goals. I think one of the first steps towards wanting to change the existing system is seeing the flaws in the existing system and how one is negatively affected by it.

Then, if psychedelics are (going to be) used to pacify people suffering under capitalism, is their widespread adoption not a bad thing? If people are willfully blinding themselves to their suffering, is any hint of revolutionary spirit being extinguished?


I don't think these issues are unique to psychedelics, either. If existing depression treatments numb you to all emotion, good and bad, they can make existing while being exploited more bearable.

 

Here is the DOJ's report, which states that the MPD and Minnesota's largest city "engage in a pattern or practice of conduct in violation of the U.S. Constitution and federal law."

"Our investigation showed that MPD officers routinely use excessive force, often when no force is necessary. We found that MPD officers often use unreasonable force (including deadly force) to obtain immediate compliance with orders, often forgoing meaningful de-escalation tactics and instead using force to subdue people," the report states. "MPD's pattern or practice of using excessive force violates the law."

The DOJ probe found that MPD:

  • Uses excessive force, including unjustified deadly force and unreasonable use of Tasers;
  • Unlawfully discriminates against Black people and Native American people in its enforcement activities, including the use of force following stops;
  • Violates the rights of people engaged in protected speech; and
  • Along with the city, discriminates against people with behavioral health disabilities when responding to calls for assistance.

Specific mention was made to illegal attacks on protestors and journalists.

It's nice to see confirmation of what we've known: they aren't just evil, they're preying on the weak and disadvantaged.

 

Cavs' performance is too good. I love this version.

 

What news sites do you follow? I'm looking for sites with RSS feeds in particular.

 

Is there a way to hide scores on posts/comments as in the web UI? I peeked the code and the user preference is loaded, it's just the code that displays the scores doesn't seem to check against the user preference.

-3
Caching issue? (lemmy.ml)
submitted 1 year ago* (last edited 1 year ago) by [email protected] to c/[email protected]
 

I'm loading https://lemmy.ml/c/[email protected] and the username display in the top right is showing other people's usernames, not mine. It showed one, and I refreshed, and now it's showing another. Here's what is showing right now for me:

Here is what I see right now

Edit to add just to show that it's changing: Another one

view more: next ›