Spzi

joined 2 years ago
[–] Spzi@lemm.ee 13 points 1 week ago (4 children)

"The day starts at night" sounds silly because it seems to be a contradiction. But really, how else could it be?

Either, day starts at day ... but then it was already day. Or, day starts at night ... unless we come up with additional entities like dusk or dawn.

And since we haven't introduced them yet, day has to start at night, as a necessity.

Of course the actual silly thing is that it's still night right after day has started.

[–] Spzi@lemm.ee 2 points 2 weeks ago

Confirmed. At first I was confused about the comments. Good idea, an obvious opportunity!

[–] Spzi@lemm.ee 1 points 2 weeks ago

"Denmark made clear that they absolutely have eggs", said a news person in German. Which is absolutely funny, because eggs and balls is the same word here.

"Dänemark hat klar gemacht, dass sie durchaus Eier haben."

[–] Spzi@lemm.ee 11 points 2 weeks ago

I heard that early childhood (first weeks, months, maybe years) are vital for development of emotional intelligence. Neglect could lead to life-long struggles. So I'm happy to hear you favor the idea to stay and care. Good for you, you both, and all of us.

[–] Spzi@lemm.ee 5 points 2 weeks ago (2 children)

burning teslas owned by random people when it seems it would be easier to burn this fucking nazi asshole?

Because simply in practical terms, it's the other way around. There's a Tesla right next door, but only one Musk somewhere, probably not where you are. And mostly, one has personal bodyguards, while the others just sit on the road.

[–] Spzi@lemm.ee 4 points 3 weeks ago* (last edited 3 weeks ago)

Offering a slight damper / correction:

This is about two things (design and ownership), which are correlated, but not identical.

Malicious design can be things like:

  • Algorithms to keep people engaged
  • UIs to confuse users (luring them to purchases, or making 'cancel' hard to access)
  • Using intermediate currencies to make it harder to assert value
  • ...

Obviously, these patterns and practices can also be applied to a FOSS instance you own. There is less incentive to do so if the profit motive is removed - which makes a huge difference.

These design patterns are fundamentally about making user numbers go up. Attract more users, keep them on your platform longer, make them leave less. And a portion of user guidance mixed in. None of that is inherently evil, to some degree even desireable, and to some extent unavoidable to offer a functional service.

Some users may expect a feed like lemmy to browse indefinitely, since they find it inconvenient to have to click to go to the 'next page'. And because they got used to this feature elsewhere. Others already see this as a dark pattern.

I just wanted to highlight how some of the malicious stuff may still be present in the fediverse, without any company involved. Here, we're kind of in charge on both sides: Each is responsible for their own user agency (like controlling your online hours, or what sites you visit), and collectively to decide what user experience we want to shape (which might include controverse patterns).

I spent way too many words on this. Mostly I agree with you! And overall, users will encounter far less malicious patterns on FOSS.

[Edit: Formatting]

[–] Spzi@lemm.ee 12 points 1 month ago (2 children)

Wouldn’t it be reasonable if another administration get in power and then need to purge all these positions of pro trump people?

Oh no! You have a great point for horror fans there.

I'd even say, it probably is somewhat necessary in order to resume administration. What a beautiful, postfactual dilemma:

The Reps fear an ideological, systemic witch hunt, which they use as an excuse to replace government workers. The new workers are ideologically aligned with the Reps, encouraged to assist the dismantling of non-Rep institutions and carry out the King's will above and beyond the law.

Now when votes swing the other way, the new administration kind of has to revert some of this damage to assume functioning.

Which is where the circle closes; the prophecy fulfills itself. Now the Reps have evidence for their previously baseless claims. The whole system is locked in a back-and-forth mud wrestling of replacing workers based on ideology.

[–] Spzi@lemm.ee 27 points 1 month ago (3 children)

That really is a stark contrast. What do the apologetics say about this?

[–] Spzi@lemm.ee 3 points 1 month ago

So is social media, and the openness of free societies to internal (the rich owning the media) and external (foreign adversaries) tampering. Spreading misinformation, eroding trust in institutions and truth itself, poisons like that.

Many democracies are crumbling this way. We yet have to find an effective antidote.

Regardless of the voting system, there still is a worryingly large portion of voters who were corrupted to serve other's interests. And that is true to all (?) countries. That not just any two democracies fall first, but GB and US, kind of shows us that it could be anyone.

So while it is easy to look down on the fallen, or feel ashamed to be that - we're helpless in this together. Hate to end like that.

[–] Spzi@lemm.ee 2 points 1 month ago

There is so much in this direction. For a fraction of the budget, you could obliterate both the Russian army and economy, without losing any soldiers. What an opportunity, what a deal. Unless you're owned by Russia, of course.

[–] Spzi@lemm.ee 3 points 1 month ago (1 children)

Oops, thanks. Meant Transnistria (to which the answer would be Putin, although I guess you would not have asked if I had not made that mistake). Sometimes, the letters in the middle of a word do seem to matter.

[–] Spzi@lemm.ee 21 points 1 month ago* (last edited 1 month ago) (5 children)

Very nice, exactly the signal The Free World needs now. Now, that the previous leader vanished in a puff of Kreml propaganda.

It's now more than ever at stake wether Ukraine can fend off the invasion (the outcome of which is another signal to autocrats eyeing future invasions, for example Taiwan, Transnistria*). It's a question.

One answer, one possible scenario is that each individual EU country feels overwhelmed to shoulder the additional burden. Or that the Union cannot muster enough support to replace the U.S. This scenario can be self-reinforcing. If it seems likely that the combined response would still be insufficient, a plausible outcome is everybody holding back, which already would favor the Russian aggression.

So this is why I want to highlight how much good news this is, because it's exactly the opposite kind of example. Literally stepping up.


*) Transnistria: Edited thanks to a comment, original wrongly said 'Tasmania'.

 

What they actually mean is rather "these two things are very dissimilar", or "these two things are unequal".

I guess in most situations "cannot be compared" could be replaced by "cannot be equated", with less lingual inaccuracy and still the same message conveyed.

To come to the conclusion that two things are very dissimilar, very unequal, one necessarily has to compare them. So it's rather odd to come up with "cannot be compared" after just literally comparing them.

For example, bikes and cars. We compare them by looking at each's details, and finding any dissimilarities. They have a different amount of wheels. Different propulsion methods. Different price, and so on.

When this list becomes very long, or some details have a major meaning which should not be equated, people say they cannot be compared.

An example with a major meaning difference: Some people say factory farming of animals and the Holocaust are very similar, or something alike. Others disagree, presumably because they feel wether it's humans or animals being treated, the motives or whatnot make a difference big enough that the two should not be ~~compared~~ equated.

Can you follow my thoughts? Are 'dissimilar' or 'unequal' better terms? I'd be especially interested in arguments in favor of 'compared'.

 

Before, completing the last lesson of a group (e.g. completing 5 of 5) activated a 15 minute boost. Which allowed me stop doing lessons at 4/5 and do practice instead. Later that day, I could complete lesson 5 to get a boost for a new session.

Now, these activation steps seem to be randomly scattered across lessons. Sometimes it's lesson 2, sometimes 5. Never the last one.

Did anyone else notice this? Any idea why? How do you deal with it?

It leads me to learn longer than I actually wanted (because I accidentally trigger boosts), or leads to me 'wasting' boosts, both of which feels bad.

 

https://www.youtube.com/@Brackeys/about


Text version, thanks to @CorneliusTalmadge@lemmy.world:

Image Text

BRACKEYS

Hello everyone!

It’s been a while. I hope you are all well.

Unity has recently taken some actions to change their pricing policy that I - like most of the community - do not condone in any way.

I have been using Unity for more than 10 years and the product has been very important to me. However, Unity is a public company. Unfortunately that means that it has to serve shareholder interests. Sometimes those interests align with what is best for the developers and sometimes they do not. While this has been the case for a while, these recent developments have made it increasingly clear.

Unity has pulled back on the first version of their new pricing policy and made some changes to make it less harmful to small studios, but it is important to remember that the realities of a public company are not going to change.

Luckily, there are other ways of structuring the development of software. Instead of a company owning and controlling software with a private code base, software can be open source (with a public code base that anyone can contribute to) and publicly owned. Blender - a stable 3D modelling software in the game dev community - is free and open source. In fact some of the largest and most advanced software in the world is built on top of open source technology like Linux.

The purpose of this post is not to denounce Unity because of a misstep, to criticise any of its employees or to tell anyone to “jump ship”. Instead I want to highlight the systematic issue of organizing large software projects under a public company and to let you know that there are alternatives.

I believe that the way to a stronger and more healthy game dev community is through software created by the community for the community. Software that is open source, democratically owned and community funded.

Many of you have been asking for us to produce new tutorial series on alternative engines such as Godot, which is currently the most advanced open source and community funded game engine. I don’t know yet if this is something that we can realise and when.

I can only say that I have started learning Godot.

Best of luck to all of you with your games, no matter what engine they might be built on!

Sincerely,

Asbjern Thirslund - Brackeys

 

Video Description:

Direct Air Capture (DAC) has been getting more and more attention over the last few years. Could we avert climate change by pulling carbon dioxide out of the atmosphere? Could we not just stop, but actually reverse the damage done? Unfortunately, most don't fully appreciate just quite how much CO2 we've emitted and the outrageous scale of the problem facing us. Today, we apply the fundamental principles of thermodynamics to question whether this is even feasible.

Written & presented by Prof. David Kipping. Edited by Jorge Casas. Fact checking by Alexandra Masegian.


Channel Description:

Space, astronomy, exoplanets, astroengineering and the search for extraterrestrial life & intelligence.

The Cool Worlds Lab, based at the Department of Astronomy, Columbia University, is a team of astronomers seeking to discover and understand alien worlds, particularly those where temperatures are cool enough for life, led by Professor David Kipping.


CHAPTERS (and key bits)

  • 0:00 Climate Change: Some CC is needed just to maintain a level.
  • 2:44 Removal Requirements: We released 37 Gt of CO~2~ in 2022.
  • 3:38 Possible Solutions: Trees are good for 4 years, then no space.
  • 5:03 Introducing DAC: IPCC estimates 20 Gt/yr @ 2050 required.
  • 5:43 Climate Anxiety: This video is sponsored by betterhelp.
  • 7:12 DAC Principles: Currently 19 DAC plants remove 10'000 tCO~2~/yr, or 0.000003% of global emissions.
  • 8:14 Scalability: Why this video focuses on physics, not economics
  • 9:29 Thermodynamics: Why DAC is a fight against entropy, introducing Gibbs. Lower limit: 120 kWh/tCO~2~
  • 12:08 Progressive DAC: Starting in 2025, remove how much and how fast?
  • 13:32 RCPs: Why 2.6 is discarded, why 4.5 is chosen (with an outlook on 8.5)
  • 15:09 Simulations: For 450 ppm, we need to scrub 20 GtCO~2~ in 2050. For 350, almost 80 Gt.
  • 17:03 Energy Requirements: 450 ppm requires 5% of global electricity. 350: 15%.
  • 19:34 Efficiency: Above numbers assumed 100% efficiency. Current estimate 5%, measured 8%.
  • 21:21 Conclusions: It's tough to do, but just possible. Easiest way: Stop emitting.
  • 24:35 Outro and credits
 

Video Description:

Direct Air Capture (DAC) has been getting more and more attention over the last few years. Could we avert climate change by pulling carbon dioxide out of the atmosphere? Could we not just stop, but actually reverse the damage done? Unfortunately, most don't fully appreciate just quite how much CO2 we've emitted and the outrageous scale of the problem facing us. Today, we apply the fundamental principles of thermodynamics to question whether this is even feasible.

Written & presented by Prof. David Kipping. Edited by Jorge Casas. Fact checking by Alexandra Masegian.


Channel Description:

Space, astronomy, exoplanets, astroengineering and the search for extraterrestrial life & intelligence.

The Cool Worlds Lab, based at the Department of Astronomy, Columbia University, is a team of astronomers seeking to discover and understand alien worlds, particularly those where temperatures are cool enough for life, led by Professor David Kipping.


CHAPTERS (and key bits)

  • 0:00 Climate Change: Some CC is needed just to maintain a level.
  • 2:44 Removal Requirements: We released 37 Gt of CO~2~ in 2022.
  • 3:38 Possible Solutions: Trees are good for 4 years, then no space.
  • 5:03 Introducing DAC: IPCC estimates 20 Gt/yr @ 2050 required.
  • 5:43 Climate Anxiety: This video is sponsored by betterhelp.
  • 7:12 DAC Principles: Currently 19 DAC plants remove 10'000 tCO~2~/yr, or 0.000003% of global emissions.
  • 8:14 Scalability: Why this video focuses on physics, not economics
  • 9:29 Thermodynamics: Why DAC is a fight against entropy, introducing Gibbs. Lower limit: 120 kWh/tCO~2~
  • 12:08 Progressive DAC: Starting in 2025, remove how much and how fast?
  • 13:32 RCPs: Why 2.6 is discarded, why 4.5 is chosen (with an outlook on 8.5)
  • 15:09 Simulations: For 450 ppm, we need to scrub 20 GtCO~2~ in 2050. For 350, almost 80 Gt.
  • 17:03 Energy Requirements: 450 ppm requires 5% of global electricity. 350: 15%.
  • 19:34 Efficiency: Above numbers assumed 100% efficiency. Current estimate 5%, measured 8%.
  • 21:21 Conclusions: It's tough to do, but just possible. Easiest way: Stop emitting.
  • 24:35 Outro and credits
 

WARNING - LOUD!

Gav plops down the high speed camera next to a rocket engine with 45,000lbs of thrust and the results are epic. Big thanks to Firefly for allowing us to film at their facility and BBC Click for letting us use their behind the scenes footage from the day.

Filmed at 2000fps

 

Absolutely everything you think about yourself and the universe could be an illusion. As far as you know, you are real and exist in a universe that was born 14 billion years ago and that gave rise to galaxies, stars, the Earth, and finally you. Except, maybe not.

Other explanations for Boltzmann Brains did not require an 'inside-out black hole', for example https://en.wikipedia.org/wiki/Boltzmann_brain, so this inclusion came as a surprise to me. Not sure if it's necessary.

What baffles me about the theory: If it's true, and reality is (mostly, statistically speaking) imagined ... the physical reality could be anything. It could be very different from the reality we live in. But we created our models of the universe in this one reality we know, and the theory of Boltzmann Brains emerged from that.

So based on these physical models we arrive at the idea of BBs. But if this idea is true, the physical reality could be completely different.

Or what do you think?

 

cross-posted from: https://lemm.ee/post/8135104

Honorable mention: The video was posted to https://lemmy.world/c/mealtimevideos 4 days ago: https://lemmy.world/post/4942489. I did not want to use the YouTube link as the primary link, hence reposting instead of cross-posting.

Further reading about the Lunar Crater Radio Telescope (LCRT):

They want to build the telescope on the far side of the Moon, to shield it from terrestrial (man-made) radiation. Is this premise in peril by other Moon missions? For example, do NASA or other space agencies have plans to build other bases on the far side of the moon, which could emit radiowaves which affect the LCRT?

 

cross-posted from https://lemmy.world/post/5033710

'Collective action can have a direct effect on society’, study on climate strikes shows.

By the way, next big strike is scheduled for 15th Sept, tomorrow.

 

What do you think about this sketch?

For which parts of our life is it a metaphor?

What would different Ethical schools say about this?

The intent of this post is to encourage discussion and exchange of thoughts.

 

cross-posted from: https://lemm.ee/post/5467810

In 1997, a contest began to develop a new encryption algorithm to become the Advanced Encryption Standard. After years of debate, one algorithm was chosen as the AES. But how does AES work? And what makes for a secure encryption algorithm?


Spanning Tree is an educational video series about computer science and mathematics. See more at https://spanningtree.me

To be notified when a new video is released, sign up for the Spanning Tree mailing list at https://spanningtree.substack.com/

Spanning Tree is created by Brian Yu. https://brianyu.me/

Email me at brian@spanningtree.me to suggest a future topic.


  • 0:00 The Contest
  • 1:02 Encryption
  • 3:57 Confusion and Diffusion
  • 5:44 Block Cipher
  • 6:55 KeyExpansion
  • 7:34 AddRoundKey
  • 8:14 Substitution Cipher
  • 8:55 SubBytes
  • 11:30 MixColumns
  • 12:53 ShiftRows
  • 13:21 The Algorithm

Aug 22, 2023

 

cross-posted from: https://lemm.ee/post/5467810

In 1997, a contest began to develop a new encryption algorithm to become the Advanced Encryption Standard. After years of debate, one algorithm was chosen as the AES. But how does AES work? And what makes for a secure encryption algorithm?


Spanning Tree is an educational video series about computer science and mathematics. See more at https://spanningtree.me/

To be notified when a new video is released, sign up for the Spanning Tree mailing list at https://spanningtree.substack.com/

Spanning Tree is created by Brian Yu. https://brianyu.me/

Email me at brian@spanningtree.me to suggest a future topic.


  • 0:00 The Contest
  • 1:02 Encryption
  • 3:57 Confusion and Diffusion
  • 5:44 Block Cipher
  • 6:55 KeyExpansion
  • 7:34 AddRoundKey
  • 8:14 Substitution Cipher
  • 8:55 SubBytes
  • 11:30 MixColumns
  • 12:53 ShiftRows
  • 13:21 The Algorithm

Aug 22, 2023

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