skysight-inc/HackerNews huggingface dataset:
> 1. Sand has a lower heat capacity than water. Water is much cheaper than sand. Yes, you can't heat water to 600C

The price of the storage material is probably almost completely irrelevant in the total cost of this solution, when comparing sand and water. They even mention using sand nobody else wants. But using water will probably increase the cost of everything else.

If you can heat sand to a much higher degree, the fact that it has lower heat capacity is irrelevant on its own. The fact that they explicitly mention that they were setting out to find if a solid material was better than water makes me think they've considered all these factors and found sand to be better in total.

"The fan is the only moving part and it's easy to replace if necessary"

Heat pump is a good idea, but it will add quite a lot of up front and maintainance cost. I've looked at heat pump water heaters myself, and it's hard to get the economics to add up in the short term. With a water heater or a system like this, the heat pump isn't going to be running constantly, and when you're running it you need a lot of power, so you need a large unit. Ideally a heat pump should be running almost constantly at a low rate to make sure it's operating at high efficiency and to pay for itself in a reasonable time.

I don't know if there even are heat pumps that can effectively heat things up to several hundred degrees?

I think it makes more sense to put the heat pump between the "battery" and the building it's heating, so you draw less heat from the battery to supply a large amount of heat to the building. Then you can use the same heat pump to extract heat from the air when the "battery" is empty. You'll get much better utilization of the heat pump.

Btw, I think significantly cheaper and better heat pumps would be a hail mary for solving the energy / climate change crisis. So many things like this would suddenly become more economically viable.

> A concentrating solar water heater is very cheap and simple

Sure, but that's kind of a different solution. This could take energy from the grid drawing power from many sources spread out over a wider area. A concentrating solar heater would require a lot of area at the exact place where you want the storage unit. That's not always viable. Using water would probably increase the total volume significantly too.
seems like it's harder for sites to detect. For a while I was seeing a lot of "disable your ad blocker" messages, now I just don't, and the ads don't load.
And thats fine - what i am saying is that it should be a right not a requirement. As opposed to what onsite workers demand, that we all return to offices.
It's not like he took over a hard job.

Twitter had a loss but had been profitable before.
Twitter has a huge following/user-base worldwide.
The hard part of creating the brand has happened.

He just needs not to break it, trim some fat and appease advertisers. (In a possible recession, so that is the hard part of his job.)

The HARD problem Elon has is of his own creation.
He leveraged massively to bring this deal to fruition.
During a downturn.
So if let us say Tesla stock goes down considerably that might be an issue.

If Twitter does not get called for its debt, Elon is going to make lots of money when he "brings it back to the people," out of pure kindness mind you, and it goes public again or there is a secondary offering. He bought it in bad times at "low brand value."

The other value to Elon is he will increase his brand. Elon's value is in his name. Twitter can help him there, as it does daily.

Edit: P.S. Oh, a bit more related: It will get sued. In fact it already is in the process from my understanding for botching/ignoring California WARN act regarding layoffs. So... good way of spending money. And he can not demand them to waive it off with a severance letter.
It wasn't the decision to layoff teams, it was the fact that he did tell them to stop working on the longform product. Maybe he'll take it back once they're done with paid verification.
Twitter sued by employees after mass layoffs begin
As long as we're being pedantic: "hand over X back to" is mixing phrases -- are they handing it over or handing it back? It should be "hand X over to" or "hand X back to"
Or maybe he did, and decided that getting them out the door now was worth the potential costs from the lawsuit?

If, as some others have said, he's actually paying them for the 60 days, I don't think a judge or jury is going to be very sympathetic.

"So, your boss basically told you to take 60 days off with pay?"
> Pretending he is championing the little guy

Are you just noticing this?

Step two is whining endlessly and loudly. Step three he figures out a way to game government subsidies while whining about government.
I’ll send everyone emojis and only charge half as much. DM’s open.
+

Do not disturb times (say 7pm to 6am)

Delete all media in a chat/group

Write-protect groups-- to avoid accidentally sending stuff to contacts or groups where you don't usually send anything (involuntary groups for work or family)

Alternatively- permanently disable mic and camera access to groups.
No, they were calling for their elimination from the public sphere, forced outing etc.
Mass and Kansas. I can’t say whether the state required additional payments above what’s legally required (60 day notice) but they needed to give something to get people to sign things like termination agreements and non disclosures. Having just been laid off, they weren’t all that willing to be nice and all that.

If you want to be a jerk, that influences future hiring chances both ways. Most companies expect to need to hire at some point in the future.
Open in app banners are butt, so good riddance. If I wanted an app, I would be using an app.
In the minds of SF folks, covid policies came to represent resistance to Trump. Those asking for schools and businesses to be opened sounded like the MAGA crowd -- i.e. the Enemy. The policymakers, blind with agenda, doubled down on restrictive policies, with a faulty theory of "everything will come back". The result is a city that works for neither the rich nor poor. SF truly is a social experiment and more capable minds than me may some day cast these events into a coherent social theory.
I think your “not that complicated” threshold is well past what most users are ok with.
> This is getting posted again and again and I don’t understand why.

It is a click-bait (upvote-bait)?

TFA: ... we've been closely following the situation of the Google Play Policy changes and the company has now entered into the next phase ...

Yeah, they've got inside information. Sure.
Exactly that. I had to read it twice too. The way I read it is there were so many hearings so quickly in a row that the judge was in some sort of blur. Case, bam, verdict. Case, bam, verdict. One every 10 minutes. And in that situation, just from being asked to think it over a few more seconds, she saw that maybe she had it wrong and changed her mind.
No, he didn't.

P11:

> On May 13, Mr. Musk expressed doubts about the accuracy of Twitter's claim in legal filings that <5% of accounts are “bots,” or automated spam accounts that spread propaganda and hurt the experience of real users:'

He's repeating Musk's claim here. Recall that Twitter says that 5% of mDAU are potentially spam. That's not the same as accounts.

P16:

> However there are many millions of active accounts that are not considered “mDAU,” either because they are spam bots, or because Twitter does not believe it «can monetize them.

So when Twitter is saying "mDAU generally excludes spam bots", he's indirectly saying that it's correct.

P26:

> A more meaningful and honest answer to Mr. Musk’s question would be trivial for Twitter to calculate, given that Twitter is already doing a decent job excluding spam bots and other worthless accounts from its calculation of mDAU. But this number is likely to be meaningfully higher than 5%:

Quite literally saying here that "<5% of mDAU is spam" is correct!

So, yes I have read the whistleblower docs. The disconnect here is that I believe you have not read Twitter's filings, which do not in fact claim that "<5% of accounts are spam" but "<5% of mDAU are spam" (see, e.g., https://sec.report/Document/0001418091-22-000075/).
People pay for those???
>Exactly. You guys can lose your 1st amendment pretty quickly.

The example of the 14th Amendment was meant to show that these amendments don't have some innate meaning or special true power. The 1st Amendment only ever means what the majority wants it to mean (a loose definition of majority, the US is a republic not a democracy, etc.).

We will never lose the 1st Amendment, however we are constantly having a debate over what the 1st Amendment actually means. From a practical perspective, your rights are not innate or god given, they are majority given. That is how these systems work and no one has yet found a system that can improve on that approach.
The best solution is mail in ballots like WA/OR. Assuming there is some level of trust left within the members of the society.
Stack Overflow for No-Code
Stack Overflow only allows questions related to code, so I built https://asknocode.com as one central place to share no-code knowledge.

Users can ask questions, quickly find solutions (the correct answer is pinned to the top), and earn reputation by participating.

Plus, the entire app itself is built with no-code (Bubble)!
How were you able to include/exclude the contractors, apple also has large number of CW that you are excluding so these numbers are bogus imo.
That's 'First Amendment Freedom of Speech', not 'freedom of speech'.

When people say 'freedom of speech should be protected', they're being more broad than 'First Amendment Freedom of Speech should be protected'.
I spend all my time looking at Twitter and DoomScrolling. Not a surprise.
This reads like typical top 1% B.S. My previous employer kept cutting benefits (401k matches, health premiums, health copays, coinsurance) and meanwhile magically the Head of Product is buying a 3M condo, the executive team is having 4 day "offsites" at Napa (when we have perfectly great conf rooms right here), and the CTO just got an M5.

It doesn't take geniuses to realize the money isn't being distributed equally. Yeah productivity has fallen -- it was the only lever regular workers have.

Why take on added stress when it doesnt turn into shared success?

The bosses want more for less. Politicians want to just import overseas labor (whom they treat as semi-slaves) so they can reduce salaries and working conditions for everyone ("work more or else i'll replace you with a lower paid H1 that I can abuse because they are desperate")

SHARED SUCCESS will magically fix productivity issues.
> political divisions so deep that we cannot agree that trying to hang the vice president is a bad thing

That kind of rhetoric isn't going to reduce political division. The opposite, in fact.
It's almost as if Elon is being sued to ensure that he follows through with his obligations, since he's so consistently doesn't. Strange. It's like there is a purpose to the lawsuit.
It's not clear to me why the Python Software Foundation let JetBrains to do the survey instead of doing it directly. Does JetBrains pays for the data? Isn't it a bit anti-ethical?
Yes, this is one of the studies I saw recently. Of course, corporations will deny that price gouging is what's driving their incredible record profits, but they fail to give any other explanation.
Is this remote for asia-pacific region ?
Most work cannot be done remotely. You are in a tech bubble. A majority of people have to be present to do things.
Netflix’s ad-supported plan doesn’t work on Apple TV, “older” Chromecasts, PS3
Cargill would have an amazingly high valuation just due to all the assets owned.
WiFi security flaw lets a drone track devices through walls
Why not use heat pumps to heat the mass? What if the air conditioner exhausted the heat into your mass battery? It's not either/or.
With DNS-over-HTTPS, that workaround will likely soon be history anyway.
It would be nice to be able to, yes. That's why I'm asking.
> If they don't know what the spam numbers are, then where is the 5% figure coming from?

It's 5% of mDAU.
The app let me attempt to log in once, and now after hard restarting it, it’s not proceeding past the splash screen.

I’m on an iPhone SE 3rd Gen running iOS 16.1.
What were you waiting for?
Unfortunately we don't perform diagnoses at this point. We do have some great partners that we refer out to for diagnoses, or we can help support folks through that process.

What we mean by that is we coach people who don't necessarily have a diagnosis. We welcome anyone who wants to come and be coached on ADHD-related skills & goals. For example, if you want to work on your executive function but you don't have an ADHD diagnosis, you're completely welcome here!

This is also because certain cultures (or an array of different circumstances could put someone in this position) prevent folks from getting a timely diagnosis and/or they don't want to tell their parents, etc. But in this case they can still get coaching with less of the stigma. This is a broader challenge/problem in society though that we're barely scratching the surface on.

As a female, queer, BIPOC/AAPI person who grew up in a certain "bubble", I've definitely faced head on how hard it can be to take the first step to diagnosis.
Isn't this the Facebook Libera plan, which got lolnoped by regulators before it even got off the ground?
This was extremely true during the initial wave of covid too: productivity shot up a TON, because the people who were laid off were in inherently low productivity sectors like restaurants, theme parks, etc.
>It's not that complicated to download APK and install it

It's not complicated to reset your windows password either, but there are entire careers dedicated to helping average people do it because not everyone is technically inclined.
I use firefox with ublock. But that works only for browsing.
Lol so all of these companies just colluded together to fuck over Elon? More like Elon is poisoning the brand and they’re taking their dollars elsewhere. Twitter is already a sesspool, why not throw your dollars at something that has more stability.
Just for the sake of argument, I'd ask everyone to consider the counterfactual.

Let's talk about a normal year, for starters, to have a base to talk about. Suppose we have:

5% increase in nominal money supply

Which breaks down into 3 parts: population growth, productivity growth, and inflation.

So for example, in a normal year we might have:

1.5% increase in population

So that means we have 3.5% leftover that either has to be accounted for by productivity growth or inflation. In an average year we might have:

1.5% productivity growth

2% inflation

(There would actually be some small fractions here, but I'm simplifying the math because this is just a Hacker News comment. Feel free to work out the precise numbers yourself.)

Typically, we know the population growth fairly well, and we think we know the inflation number fairly well, so the estimate for productivity growth amounts to "Whatever we have left over after we subtract out the population growth and the inflation."

But what if we got inflation wrong? What if there were extraordinary events happening that make it more difficult to get an exact number on inflation? Then we would end up with a wrong productivity number.

If we overestimate inflation by 1% then we underestimate productivity by roughly 1% (qualifiers: not exactly, but good enough for this comment).

Remember, the inflation estimate is a weighted average of millions of products. A radical swing in one part of the index might have strange results, if the weighting is not exactly correct, or if the weighting relies too much on historical averages which are no longer relevant.

All of which is to say, we need to wait a year or two to know if this trend is real. It could just be a statistical illusion.
the two points are hard to take together since no one "talks" a programming language natively. the important point regarding lisp is that it offers a unique value proposition for programmers. it is for this very reason still kept alive by the very programmers (new and veterans) that realize its value. these programmers improve existing solutions as well as start new ones, including commercial/industrial applications
I don't understand why that's better than just doing a scantron style bubble form with a pen. That's what we do in Minnesota. Introducing computers to the actual voting (not counting) process seems like needless complexity. Software quality and UI design in 2022 is absolutely abysmal. Keep It Simple, <polite S-word>.
I believe they meant existential in the sense of existentialism and not in the sense that it may have lead to extinction, given that they went on to relate it to one's attitude towards life (and we commonly refer to events that shake up our view on this as "existential crisis"), but even if that weren't the case I find it cavalier to dismiss this as "unbelievable hyperbole" and perhaps the reason you seem to encounter it so often is that there's more truth in it than you're willing to recognize. We don't know what the future holds or what directions the past could have taken; we don't know how bad COVID may have been if there were a different set of mutations or if war had broken out in Ukraine in January of 2020. I doubt we would have gone extinct, but to pretend it wasn't an incredibly dangerous situation is folly.
> It’s not till later that I found out that everything he says is someone else’s idea that he takes credit for.

There are a zillion ideas out there. The idea (!) is to be able to pick the right ones.

For example:

1. never give up

2. don't beat a dead horse

Which idea is correct?
The big tell that its not all social medias fault is that the narrative changes with the decade on the exact cause even if the outcome of radicalization is the same. 25 years ago people were blaming AM radio hosts for political radicalization. The only truth imo is that radicalization is highly profitable so media will favor it on any platform that is in vogue.
Shale oil extraction, which Exxon is planning there, is an environmental disaster shitshow.

So, blocking desalination prevents diverting the civil freshwater supply to that project, a pure good.

It would be strictly better to outlaw shale oil extraction, but that choice is not available.
This is a great point. Employees at Twitter may be vesting RSUs that need to be converted at Elon's inflated purchase price. Even laying off those people today and rehiring all of them tomorrow would save the company a boatload of money.
> And if your income has dropped a lot, most if not all of the coverage will be subsidized by the government

This seems to be very location-dependent. Most states will be reasonably generous and extend Medicaid coverage to you. Some will not. Even when you have Medicaid coverage, it's still a crap-shoot whether a Dr. will take you on as a patient. Hospitals will, in general, but there's plenty of Dr's offices with "No Medicaid" signs in them.

COBRA is an utter joke. If you've just lost your job, how are you supposed to afford $1750/month [1] for medical insurance for your family ?

I think Obamacare was a step in the right direction for health-care in the US. I think it's woefully short of just about anywhere in Europe. The entire healthcare industry in the US seems to pile on huge amounts of stress right at the point where you need to just get well. In-network/Out-of-network, covered/non-covered, co-pays, crazy-high deductibles, the works. In the UK, the only thing I worry about paying for is parking at the hospital...

[1]:https://www.brookings.edu/blog/usc-brookings-schaeffer-on-he...
> It seems pretty intuitive two planets are better than one.

Spoken like a true colonialist! ;-)
I'm wondering how much of this is perception...

The number of reported issues coming through has exploded since Akamai. Over the last week alone, almost every day a new networking issue for London is in my inbox. However - none of the recent ones have actually affected any one of my Linodes, even though it's possible since it falls under the service and datacenter - perhaps the change we are seeing is more transparency?

I'm not saying no one is affected... as others in this thread clearly are, and I was affected by the datacenter wide outage in London earlier in the year - but it's possible that being more upfront in notifications of issues could change the perception of what before would have been considered a collection of isolated incidents.</speculation>

[edit]

I generally appreciate transparency, but when it comes to varying degrees of service disruption maybe there is a balance to be struck... right now it feels like the signal to noise ratio is low in terms of it's affect across all users even within an area.

Right now I am pretty much ignoring the Linode issues filling my inbox, if a serious one came through I'd probably miss it.
Why does HN monkey with titles like this?
> I disagree that those ventures, besides tesla, are things where humanity faces existential risks. We don't need commercial space travel to counteract asteroids. If there is an asteroid that will become a problem for humanity, the whole world will scramble to address it. Those things don't appear out of thin air.

Firstly, you seriously underestimate the asteroid risk. They literally do appear out of the void and we do not have the resources to track them all, and existing efforts are seriously underfunded. Having a commercial entity that regularly performs multiple launches per year is invaluable as it means we can react more swiftly in case of a late detection, or have multiple attempts at deflecting it. NASA previously had very few launches by comparison, and the fact that their launch systems were not reusable without significant refits makes it ridiculous to claim that we would be just as safe without SpaceX.

Secondly, asteroid risk is only one risk to planet Earth. Another is nuclear war, or climate change, or an even more deadly pandemic, or any number of other things. Making humanity interplanetary requires reliable and frequent launch capability.

> I have yet to see someone successfully explain how neuralink will protect anyone from "AI".

If you agree that artificial general intelligence is an existential risk to humanity, then why is it a risk, exactly? presumably because it has computational abilities that we cannot match with biology. Does it not then follow that augmenting biology with those same abilities would somewhat mitigate those risks? Whether that pans out remains to be seen, but AI performance is accelerating so this is going to become a serious problem within 20 years.

> Hyperloop doesn't address any urgent problem, it's a moonshot with potential to earn absurd amounts from public contracts.

The boring company is not one of his ventures to combat existential risk, and so is not something Musk cares about too much. Why do you think he called it the boring company? Because its products are boring by comparison.

> Twitter is actively harmful for humanity.

He literally just bought it, and he has explicitly stated that he thinks Twitter is important for a functioning democracy. How about you give him a chance to actually prove it out.
Not OP, but here are a few of my favorites:

RedReader (for Reddit)

AntennaePod (podcasts)

NewPipe (YouTube)

Wikipedia's official app

Voice (audiobook player)

Book Reader

RSS Reader

Twire (Twitch)

Easy XKCD

Ning (network scanner)

Some of these are available from the Play store as well of course, but not all. For random utilities where I want something lightweight that does a basic task it's the first place I go. Ironically it's some of these fdroid apps that are what keep me on Android. I'd love to be rid of Google, but would really miss AntennaePod and NewPipe.
They are going to have 24 hour cameras pointed to the machines after the installation, including during shipment right? If not somebody could change the software. Even with cameras somebody could manipulate it probably.