[-] fearout@kbin.social 72 points 1 year ago* (last edited 1 year ago)

Long-distance energy transfer without energy loss will make it possible to connect more energy grids and sources together, so stuff like the saharan desert providing solar power to Europe, for example, suddenly becomes feasible. Maglev trains will no longer require lots of power to run, since they could utilize superconductor magnetic levitation. You could make super-efficient processors that wouldn’t really heat up at all. Superconductors are also key to quantum computers, so expect lots of advancements in that field as well. They will also make it much easier to build and run fusion power experiments.

Lots of tech in general would benefit from this discovery, stuff like MRIs, electric vehicles, space telescopes or particle accelerators would become way more efficient, cheaper and easier to produce.

Edit: also, check out this video by Isaac Arthur for some more sci-fi examples of what this tech can be used for in the future (discussed in the second half). It’s more space-colonization-focused and kinda like a thought experiment, but interesting nonetheless.

[-] fearout@kbin.social 137 points 1 year ago* (last edited 1 year ago)

Reposting my comment from another thread to add a bit of context in case anyone’s curious.

So I read the paper, and here’s a tldr about how their material apparently gains its properties.

It is hypothesized that superconductivity properties emerge from very specific strains induced in the material. Hence why most of the discovered superconductors require either to be cooled down to very low temperatures, or to be under high pressures. Both shrink the material.

What this paper claims is that they have achieved a similar effect chemically by replacing some lead ions with copper ions, which are a bit smaller (87 pm for Cu vs 133 pm for Pb). This shrinks the material by 0.48%, and that added strain induces superconductivity. This is why it apparently works at room temperature — you no longer need high pressures or extreme cold to create the needed deformation.

Can’t really comment on how actually feasible or long-lasting this effect is, but it looks surprisingly promising. At least as a starting point for future experiments. Can’t wait for other labs’ reproduction attempts. If it turns out to be true, this is an extremely important and world-changing discovery.

Fingers crossed :)

[-] fearout@kbin.social 83 points 1 year ago

No one is going to post news/articles here and then discuss them as they would in a regular post. It won’t get bumped up on the subscribed page if something interesting happens. Most of the comments here are going be about the megathread itself.

So this is effectively banning all the discussion concerning all of his companies. Which might be something you want to do, every community can decide for itself what kind of stuff they want to forbid after all. But I feel like it should be said directly, not via making a catch-all megathread.

[-] fearout@kbin.social 68 points 1 year ago

Publications like these lower reddit’s future valuations though. I’m not sure whether a two-day uptick in users is worth that. My guess would be that it’s not.

[-] fearout@kbin.social 67 points 1 year ago* (last edited 1 year ago)

I know, right? It’s so weird. In every single instance of some bullshit happening it’s easy to brush it off as incompetence or an attempt at profit maximization, but overall it feels a lot like some kind of targeted disassembly of whatever made the internet great and facilitated open discussions.

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Some more info and the reasoning behind design decisions.

Artemis’ quiver is a reworked Artemis’ kbin community icon, but while that icon had 7 arrows for good luck, this one has five — for future five stars in the App Store :)

Stellar siblings is called that because the stars on the background are taken from a region in the night sky that includes the Lyra constellation — one that is associated with Apollo, Artemis’ brother. Larger stars are from the constellation itself, while smaller ones are those visible around the constellation. All the stars are carefully placed using stellar maps, so what you see on the icon should pretty closely resemble what you’d see irl if you can find Lyra.
Icon with stellar map overlaid

And Artebierre is just fun imo :) The name is a nod to Alcubierre drive, the fastest sci-fi-ish FTL drive (to get "to the moon"). Not completely sure about the nebula shape yet, and whether it should have more or less contrast in general.
A previous version and one other icon

[-] fearout@kbin.social 73 points 1 year ago* (last edited 1 year ago)
[-] fearout@kbin.social 56 points 1 year ago

To save you a click, they used new material combination, thin films of hafnium oxide connected by barium bridges, to create a memory storage device that can encode states in between 0 and 1 to increase possible information density.

Also, the horizon line on their logo looked like a hair on my phone screen and it bugged me the whole time I was reading the article. I accidentally clicked on it trying to swipe it off the first time.

[-] fearout@kbin.social 107 points 1 year ago* (last edited 1 year ago)

Reposting my comment from another similar thread ‘cause I think it’s kind of important to add.

Ok, so it doesn’t mention wet bulb temperature anywhere, so I went to figure it out. The first thing I was surprised with is apparently most of online calculators don’t take in values higher than 50C.

I couldn’t find the exact data about humidity for that day, but it has been 35-40%+ at a minimum for most days in that region, sometimes even reaching 90%.

So, 52C at around 40% humidity is 37.5C in wet bulb temp. The point of survivability is around 35, and most humans should be able to withstand 37.5 for several hours, but it’s much worse for sick or elderly. 39 is often a death sentence even for healthy humans after just two hours — your body can no longer lose heat and you bake from the inside. That’s like having an unstoppable runaway fever. And with that humidity it’s reached at 54C.

We’re dangerously close to that.

[-] fearout@kbin.social 62 points 1 year ago* (last edited 1 year ago)

Ok, so it doesn’t mention wet bulb temperature anywhere, so I went to figure it out. The first thing I was surprised with is apparently most of online calculators don’t take in values higher than 50C.

I couldn’t find the exact data about humidity for that day, but it has been 35-40%+ at a minimum for most days in that region, sometimes even reaching 90%.

So, 52C at around 40% humidity is 37.5C in wet bulb temp. The point of survivability is around 35, and most humans should be able to withstand 37.5 for several hours, but it’s much worse for sick or elderly. 39 is often a death sentence even for healthy humans after just two hours — your body can no longer lose heat and you bake from the inside. That’s like having an unstoppable runaway fever. And with that humidity it’s reached at 54C.

We’re dangerously close to that.

32

And I assure you, it definitely fits the community

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submitted 1 year ago by fearout@kbin.social to c/france@lemmy.world
[-] fearout@kbin.social 78 points 1 year ago* (last edited 1 year ago)

Why imgur though, why not link directly to xkcd?

[-] fearout@kbin.social 48 points 1 year ago* (last edited 1 year ago)

Will not completely go extinct is not the same as fine. Even ignoring climate refugees and all that, let’s look at a simple thing: food supply.

The mathematics of global famine are quite simple. Add all the calories that earth produces in one day on average and divide it by 1500. That’s the amount of people that can exist.

Now, like 70% off all calories come from just 3 crops: rice, corn and wheat. As a good approximation, all of those lose about 10% harvest yield for each 1 degree C in temperature rise. It’s not really linear and is better at the beginning (so like 5% for the first degree), and much worse further on. But in general the approximation works.

Humanity now produces about 1.5x of the food supply we need, and even with super-optimized logistics we’re not going to get it lower than 1.2–1.3x population, since a lot of food gets wasted by cafes/restaurants and people themselves. Some just gets bad because it’s not consumed in time or takes too long to deliver or sell.

And with the current temperature rise estimations we’re looking at losing caloric supply for about 20% of the entire population in the next 20 or so years.

And that’s just one example. Have you seen rivers of dead fish in Australia and the states? For each species there is a point when the water gets too hot to hold enough oxygen or to cool down their bodies, and then bam — the whole species dies in a day. Right now, some algae, corals and plankton are like 1.5 degrees away from mass death.

It’s not really that “fine”.

Sorry for the rant.

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submitted 1 year ago* (last edited 1 year ago) by fearout@kbin.social to c/newcommunities@lemmy.world

The community is located on kbin. In case you don’t see any posts, no one from your instance has yet subscribed to the community. Subscribe and you’ll see new posts going forward. There are several threads there right now.

Links galore (hopefully at least one works):

!jewelrydesign | !jewelrydesign

!jewelrydesign | !jewelrydesign@kbin.social

Full web link

/c/JewelryDesign

@JewelryDesign

Local lemmy.world link

Or just paste this into search: jewelrydesign@kbin.social

[-] fearout@kbin.social 125 points 1 year ago

The concept of emergence blows my mind.

We have this property in our universe where simple things with simple rules can create infinitely complex things and behaviours. A molecule of water can’t be wet, but water can. A single ant can’t really do anything by himself, but a colony with simple pheromone exchange mechanisms can assign jobs, regulate population, create huge anthills with vents, specialty rooms and highways.

Nothing within a cell is "alive", it’s just atoms and molecules, but the cell itself is. One cell cannot experience things, think, love, have hopes and dreams, or want to watch Netflix all day, but a human can.

The fact that lots of tiny useless things governed by really simple rules can create this complexity in this world is breathtakingly beautiful.

Kinda ties into your example :)

1680

A search for Threads content on Twitter currently brings up zero results, despite plenty of links to Meta’s microblogging rival being posted on the platform.

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submitted 1 year ago* (last edited 1 year ago) by fearout@kbin.social to c/kbinMeta@kbin.social

Hi everyone, I’m back with another kbin icon pack. This time it’s flags for 18 EU countries (the non-fancy ones) + an EU flag. So 38 icons in total. All icons come in two styles: semi-transparent/glassy and opaque metallic. I also made a simple instance logo generator.

Flags
List of all countries included in this pack: Austria, Belgium, Bulgaria, Denmark, Estonia, Finland, France, Germany, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Netherlands, Poland, Romania, Sweden + an EU flag. Here are the previews for all the glassy and metallic icons.

All icons are rendered on transparent background. Don’t trim or change the aspect ratio of the image — the icons are carefully placed to avoid both cutout zones (small icon circle/banner rectangle). I’ve also changed the lighting setup a bit so that the icons should work well on both white and black backgrounds.

Download links:
Glassy icons pack | Metallic icons pack
(edit: there turned out to be a few flag rotation mistakes, wait for an update please)

Instance mini-icon generator (that top left website logo)
Sample icon preview. Since this whole flag thing started from @cnk asking for a flag icon for his separate country-specific kbin instance, I also made a .psd file that would make it easy to create such an icon yourself. All you need to do is edit a smart group adding the flag (or any other image) of your choosing. The file also includes a preset for 2-, 3-, 4-striped, and cross flags. For those you’d need to only edit the colors.
Download .psd

Terms of use, just in case
You can use these icons for any community on any kbin instance. Attribution is not required, although I’d appreciate it if you link to my profile or to any of my communities. If you share these outside of kbin for non-commercial purposes, attribution is required (either to my profile or portfolio). Commercial use is forbidden.

Tips
Since I got asked about this a few times already, if you like or use something I made and would like to support me, you can tip me here, I'd appreciate it. But again, totally not required, you’re free to use the icons anyways.

Kbinicons community
I also started a community dedicated to these icons. There, you can request a specific icon or just lurk and see what’s new. If you want a flag icon for your community, request it in the pinned post. Or comment here.

169
submitted 1 year ago* (last edited 1 year ago) by fearout@kbin.social to c/newcommunities@lemmy.world

Check out the pinned post for a general guide to the community that includes lots of relevant examples.

The community is located on kbin. In case you don’t see any posts, no one from your instance has yet subscribed to the community. Subscribe and you’ll see new posts going forward. There are a dozen threads there right now.

Links are a still somewhat a mess, but hopefully at least one should work:

!urbandetails | !urbandetails

Full web link

/c/UrbanDetails

@UrbanDetails

Local lemmy.world link

Or just paste this into search: urbandetails@kbin.social

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submitted 1 year ago* (last edited 1 year ago) by fearout@kbin.social to c/newcommunities@lemmy.world

The community is located on kbin. In case you don’t see any posts, no one from your instance has yet subscribed to the community. Subscribe and you’ll see new posts going forward. There are several threads there atm.

Links are a bit weird, but at least one should work:

!IndustrialDesign | !IndustrialDesign

Full web link

/c/IndustrialDesign

@IndustrialDesign

Local lemmy.world link

Or just paste this into search: industrialdesign@kbin.social

2
submitted 1 year ago* (last edited 1 year ago) by fearout@kbin.social to c/ArtemisApp@kbin.social

Artemis might use a swipe gesture to visually hint at the relation between upvoting and boosting, as shown in the main animation. Here's a static app mockup with both swipe levels displayed. I'd also imagine that there should be a setting that auto-upvotes posts when boosting.

1
submitted 1 year ago* (last edited 1 year ago) by fearout@kbin.social to c/kbinMeta@kbin.social

I heard that votes have been changed to behave closer to how people would expect, and boost is staying here as well. So I had an idea how to bring it all together in the interface.

Sidenote: you don't have to click the links here, the images are also posted inline in the comments below.

An app (either Artemis or an official one) might use a swipe gesture to visually hint at the relation between upvoting and boosting, as shown in the attached animation. Here's a static app mockup with both swipe levels displayed. I'd also imagine that there should be a setting that auto-upvotes posts when boosting.

And on the web, it's probably a good idea to consolidate all the voting buttons into a single block by adding an additional button at the top.

Edit: I’m disappointed in you guys. How come no one noticed the memes? :)

2
submitted 1 year ago* (last edited 1 year ago) by fearout@kbin.social to c/fediverse@kbin.social
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submitted 1 year ago* (last edited 1 year ago) by fearout@kbin.social to c/kbinMeta@kbin.social

Honestly, I’ve been really enjoying making these, probably the most I’ve been excited to model something for months. So I exchanged some sleep for a faster turnaround :) Previous post here

Upd: here are the links to images on transparent backgrounds for creators to use on their pages: purple and green Artemis, 3D modeling

Artemis: icon
Looking at their logo, I assumed the name was related to the hunting goddess, so this icon just had to be a quiver. It holds 7 arrows for good luck and is partially draped over to signify the app’s unfinished state, and as a nod to how the goddess herself is often depicted clothed in a flowing toga-type garment.
Cloth sim result from the back

And since the current icon uses the pride flag as its background, I figured Artemis would definitely wear a pride pin on her quiver. And besides the original color scheme I also stumbled upon a fun-looking natural colorway. Plus a similarly cosy purple version :)

Here’s the logo alone, btw. Sorry I changed it a bit, but those two thinner lines weren’t working that well for the quiver piece imo.
@hariette, what do you think?

Urban Details: icon
So this one took the most time. You have no idea how many different buildings and road arrangements I went through :)
Ghosted view of the final model

It’s meant for a community that I started which aims to celebrate various interesting details about cities, from tiny local Easter eggs to city-encompassing infrastructure projects. Just stuff that makes life either better or more fun.

The icon turned out to have some serious /fuckcars vibe, but I guess it fits well enough. I got a few interesting lighting setups while experimenting with the model, so I included a night scene as well.
High-res evening version

3D Modeling: icon
I made a quick icon for this community the last time, but had a better idea and had to try it out. I think it encompasses the topic way better than before.
@lavender, I summon thee to check out the updated icon :)

Want one?
Again, if you’re the owner of a kbin community and would like to have a similar icon, comment here to discuss it. I’m mostly making these during my free time on weekends, so I probably won't be able to make more than a couple pieces a week in the future.

I commented below to have some of the icons displayed inline, so that you don't have to click every link. Is that more convenient? Let me know if it clutters the comments and I should delete those.

view more: next ›

fearout

joined 1 year ago