phase_change

@phase_change@sh.itjust.works

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phase_change,

Except it’s not that they are finding the expansion rate is different in some directions. Instead they have two completely different ways of calculating the rate of expansion. One uses the cosmic microwave background radiation left over from the Big Bang. The other uses Cepheid stars.

The problem is that the Cepheid calculation is much higher than the CMB one. Both show the universe is expanding, but both give radically different number for that rate of expansion.

So, it’s not that the expansion’s not spherical. It’s that we fundamentally don’t understand something to be able to nail down what that expansion rate is.

phase_change, (edited )

Under the CMB method, it sounds like the calculation gives the same expansion rate everywhere. Under the Cepheid method, they get a different expansion rate, but it’s the same in every direction. Apparently, this isn’t the first time it’s been seen. What’s new here is that they did the calculation for 1000 Cepheid variable stars. So, they’ve confirmed an already known discrepancy isn’t down to something weird on the few they’ve looked at in the past.

So, the conflict here is likely down to our understanding of ether the CMB or Cepheid variables.

Just read Children of Time - top notch sci-fi

Just finished Adrian Tchaikovsky’s Children of Time. One of my top reads, let alone sci-fi reads, for the past couple of years for sure. Super well-thought out concepts, good character development, and an irresistible hook that will take you out of your comfort zone when you find out that you really don’t know who you are...

phase_change,

As a first book, I think Children of Time is much better than Shards of Earth. I enjoyed both series but would say the third book in each was the weakest. The Final Architecture series had a slightly stronger third entry.

phase_change,

And the article content posted is just an excerpt. The rest of the article focuses on how AI can improve the efficiency of workers, not replace them.

Ideally, you’ve got a learned individual using AI to process data more efficiently, but one that is smart enough to ignore or toss out the crap and knows to carefully review that output with a critical eye. I suspect the reality is that most of those individuals using AI will just pass it along uncritically.

I’m less worried about employees scared of AI and more worried about employees and employers embracing AI without any skepticism.

Protest Songs: why do I feel like there were many more (and many more that were popular) in the 60’s and 70’s?

I’m a guy approaching 60, so I’ll start by saying my perception may be wrong. That could be because the protest songs from the late 60’s and early 70’s weren’t the songs I heard live on the radio but because they were the successful ones that got replayed. More likely, it’s because music is much more fractured than...

phase_change,

Thanks. Very interesting. I’m not sure I see such a stark contrast pre/post 9-11. However, the idea that the US public’s approach to the post-9-11 conflict would have an influence makes sense and isn’t something I’d ever have considered on my own.

phase_change,

Spock, Uhura, Chapel, heck even M’Benga don’t make it a prequel, but a lieutenant Kirk does?

phase_change,

Because most people aren’t technical enough to understand there are alternatives, particularly if those alternatives involve removing a scary label telling you not to.

phase_change,

The South. Just below Indiana, the middle finger of the South. And I say this as a Hoosier for much of my life.

phase_change,

As a guy responsible for a 1,000 employee O365 tenant, I’ve been watching this with concern.

I don’t think I’m a target of state actors. I also don’t have any E5 licenses.

I’m disturbed at the opaqueness of MS’ response. From what they have explained, it sounds like the bad actors could self-sign a valid token to access cloud resources. That’s obviously a huge concern. It also sounds like the bad actors only accessed Exchange Online resources. My understanding is they could have done more, if they had a valid token. I feel like the fact that they didn’t means something’s not yet public.

I’m very disturbed by the fact that it sounds like I’d have no way to know this sort of breach was even occurring.

Compared to decades ago, I have a generally positive view of MS and security. It bothers me that this breach was a month in before the US government notified MS of it. It also bothers me that MS hasn’t been terribly forthcoming about what happened. Likely, there’s no need to mention I’m bothered that I’m so deep into the O365 environment that I can’t pull out.

phase_change,

Just curious if you’ve had the chance to dig into this and can report anything back?

phase_change,

Nice job. Packet loss will definitely cause these issues. Now, you just need to find the source of the packet loss.

In your situation, I’d first try to figure out if it is ISP/Internet before looking inside either network. I wouldn’t expect it to be internal at these speeds. Though, did you get CPU/RAM readings on the network equipment during these tests? Maxing out either can result in packet loss.

I’d start with two pairs of packet captures when the issue happened: endpoint to endpoint and edge router to edge router. Figure out if the packet loss is only happening in one direction or not. That is, are all the UK packets reaching DE but not all the DE making it back? You should clearly be able to narrow into a TCP conversation with dropped packets. Dropped packets aren’t ones that a system never sent, they’re ones that a system never received. Find some of those and start figuring out where the drop happened.

Aside from blocking instances, what other controls do admins have to keep unwanted content off their instances?

I've fired up my own Lemmy instance, but am keeping it closed right now. It's mainly so I don't contribute to the user load on the more popular instances, but I may open it up to a circle of friends and family at some point in the future....

phase_change,

Makes sense, and that definitely helps, but I’m also thinking about influence campaigns manipulating upvotes/downvotes to change what is seen on comments as well as the reputation of media sources.

Not to belittle this suggestion. It’s a powerful one that should not lead to bias.

phase_change,

The abstract for that paper is very interesting. Thanks for that link.

I agree that developing critical thinking skills, a willingness to question one’s beliefs, and a comfort with not knowing enough to have an opinion are all ways to help protect from manipulation, and likely ways that don’t lead to conspiratorial thinking.

phase_change,

Part of what prompted my question is that I doubt I have the correct worldview because I believe I’m influenced.

phase_change,

That’s a Red Hat employee that has nothing to do with code. The comments about emabargoed stuff appearing in Red Hat before CentOS Stream are for coordinated code releases to fix a bug that’s not been released yet. (e.g. there’s a remote code exploit in the network stack related to intel NICs. Intel will coordinate with people like Red Hat and MS to get the release out in a coordinated fashion, but the data Intel supplies is embargoed until the coordinated release.)

Rocky reports their release cycles are all tied to automation of the git repos that are going away. https://forums.rockylinux.org/t/has-red-hat-just-killed-rocky-linux/10378

So, while in theory someone who has a license can use source RPM’s to get at code, Rocky, and likely Alma, aren’t set up to deal with that as upstream sources. Plus, even though that matches the GPL (if someone sells you code, they have to supply source without restitrictions), I’d imagine the GPL doesn’t say that if someone sells a GPL’d product, they have to sell to you.

My guess is Alma and Rocky will figure a way around this, but id also guess it’s going to be tough.

phase_change, (edited )

No. They can be used in influence campaigns. They can upvote the posts and comments the controllers want you to see and downvote those they don’t.

Spam’s obvious and can be dealt with. Bots altering what shows up in your feed is impossible to combat as an end user.

In some ways, this shows Lemmy is winning. It means Lemmy’s important enough to start trying to influence. It also means we’re about to go through some interesting times.

phase_change,

I’ll agree and go one further: the idea of wanting to recreate Reddit is bad.

Most of us left Reddit because of the API crap, but I suspect most of us have not been as happy with the Reddit experience as we once were. The more you recreate a system that’s close to Reddit, the more you make it easier for influence campaigns, spam bots, and disruptive trolls to operate.

Federation, with separate but similar communities, makes it tougher for a massive bot operator to run a monolithic influence campaign. My hope is the design of the fediverse helps to defend against these types of attacks. My fear is the inexperience of server operators with these types of coordinated attacks makes it difficult.

phase_change,

I migrated to Reddit after Digg imploded. Here’s a few things I think were better.

Feeds weren’t filled with meme posts. Comments weren’t filled with quick one-liners to get upvotes. Back then, there was much more substantive commentary.

Now, over the years, I’ve subscribed to subreddits that contained the type of content I wanted, plus the default subreddits I was subscribed to as a new user back then are much different than today. Open Reddit using a different browser or a private browser window, so that you’re not logged in. How does that compare to your experience of 12 years ago?

Honestly, much of the things I don’t like are because of large entities wanting to influence social media. That same thing will happen (likely is already happening) to the fediverse. I just hope the distributed nature makes it more difficult.

phase_change,

All true. Don’t forget that they can be used to vote, meaning content supported by the bot operators rises and content they don’t want you to see is effectively hidden.

phase_change,

Add to that, I’ll bet search engines that find identical content scattered across different sites rank it lower than content at just one site.

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