Phyzaks

joined 1 year ago
[–] [email protected] 3 points 1 year ago

Link to the game?

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

I don't know what that is but I'll take it.

[–] [email protected] 62 points 1 year ago (6 children)

Superconductors have two main properties that we think will be very useful.

The first is that they expell magnetic fields (Meissner Effect) which allows them to float when placed in a large magnetic field. This might have applications for magnetic levitating trains.

The second property is that they conduct electricity with no resistance, not a small resistance but none at all. This means that we can transfer energy with 100% efficiency. With normal conductors there is a small amount of resistance but it all adds up to mean we lose a lot of energy to heat. Superconductors would eliminate that.

Now, we've known about superconducters for over 100 years, but the problem is that in order for them to have those two properties they need to either very cold (-196°C/-320°F or colder) or under a huge amount of pressure (like thousands of times atmospheric pressure). Since it's not very easy to create these conditions, we can really utilize superconductors outside of particular settings (like a million dollar MRI machine).

The big news right now is that this new material (LK99 doped with Copper) was claimed to be superconducting at room temperature and pressure, conditions that are very easy to create. There have been similar major claims like this in the past but everyone of them so far has turned out to be false, so don't get your hopes up yet.

The difference here is that the papers shared a recipe for how to make LK99 very explicitly, which hasn't been seen before. This is allowing for other physics groups to make and test the substance to verify the claims of the original authors. So far, I don't think it's shown to be superconducting in the lab, but there are simulations that show it might behave as claimed. We have yet to see what will happen but we should know in a few weeks or months if LK99 is really what they claim.

Hope that helps. Let me know if you have any follow ups.

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

Yeah! You have to walk up 203 stairs though. It's only like 3€ to go up and is totally worth it. I thought it was way better than the top of Eiffel tower.

Everything is so small from the top of the Eifell tower, it's super crowded, and, most importantly, you can't see the Eiffel tower when you're standing on top of it.

 

Taken from the top of the Pantheon in Paris, France with a Google Pixel 6A

[–] [email protected] 9 points 1 year ago

Fantastic meme.

[–] [email protected] 6 points 1 year ago (1 children)

I would really recommend Chrono Cross for the PS1. It's set in the same world as Chrono Trigger but isn't a direct sequel. It has some really great elements to it. I played it when I was a kid and I still revisit it every few years.

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

I wasn't able to log into it yesterday. Have you had any issues with that?

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

Okay I figured it out myself. I went to wefwef.app in Firefox on my phone. The hit the three dot menu and went to install. That's it. Guess it's just a single page app run through the browser.

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

Is wefwef and Android app? I don't see it on the play store.

[–] [email protected] 2 points 1 year ago (4 children)

Does anyone have a good Lemmy App? I have tried Connect and it is okay, but it is no RIF.

[–] [email protected] 14 points 1 year ago

Been using RIF since around 2011. I hope that Lemmy or Tildes takes off.

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