skysight-inc/HackerNews huggingface dataset:
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> It's crazy how little we understand about gravity if you think about it.

We understand most things about it

> It's a perpetual energy source right in front of us,

No it's not. It's a good way to store energy but in no way is a source.

> and can barely offer a basic explanation as to what powers it

It's not something that has power. It's a consequence of entropy.

> It even impacts time itself

You sound surprised by this? Given relativity it would be more surprising if it didn't.
I had so much fun coding up this little Pomodoro application today! I am not a web dev by any means so it took a bit of Googling, but here's what I have so far! :) You can find the code here [0].

[0]: https://github.com/zaataylor/pomospendo

edit: I also wanted to add that although I am not currently very skilled at building web-based projects, I’m always excited/willing to learn about how I can do better, so please give me any constructive feedback you have. Thanks!
Indoor rink. An unusually cold one.

Was great fun with I was wearing T-shirt and shorts and they insisted I go to the rink to be checked. Then had to stand several minutes waiting.

Kid got dropped at door until they changed policy.
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It is over 25 years, I don't think your battery will last 25 year. You probably have to replace it 3-4 times over that period of time. A mechanical system can last that much, even more, with minimal maintenance.
Rackspace actually did this, their San Antonio HQ was a former mall (it had some goofy castle based theme and name, I forget).

I thought the idea was brilliant. The mall had a ton of space in which the company plonked a bunch of cubicles that everyone (including the CEO) used, plus many other amenities. On some days there would be delicious food trucks outside.
Geometry-Free View Synthesis: Transformers and No 3D Priors
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Considering how hard it is to obtain and transplant organs, I'm pretty sure doctors only do it when it's the last possible option. Medicine is incredibly data/statistics driven these days.
> Isn't that insanely inconvenient? It takes so much more space, needs so much more fuel, is so much more bulky to drive .. is that bit of "status" actually worth it?

I'm wondering the same thing, especially since I see more and more of those trucks in Paris, France. Now I've never been to the US, but one thing with European cities is that there are a lot of old, small streets. We also never really had big cars like in the US, so parking spots, etc, are tiny for those cars. Hell, I have an older C-class coupé and it barely fits in street parking spots.

We also have our share of off-road vehicles that have probably never left Paris, seeing how they have huge rims with low tires. But I guess since the streets are in a horrible shape and getting worse, an off-road vehicle may make some sense.

However, I guess that's the whole point of "status". Something that's practical and affordable (financially or otherwise) for everyone can't confer status.

So when it comes to status-seeking, those metrics being outrageous is actually a feature, not a bug.
I have done 2 PB HPC data storage with ZFS. If I may extrapolate, I don’t see why it wouldn’t workout the same for 10 PB.

A 1U rack server attached to two JBODs(each 4U containing 60 spinning disks) connected to the server via 4 SAS HD cables. The rack server gets 512GiB of RAM to cache reads, and an Optane drive as persistent cache for writes. The usable storage depends on your redundancy and spare needs. But, as an example my setup - (9 * 6 drives(RAIDz2) + 4 hot spares) nets me about 450 TiB per JBOD or 900 TiB per rack server + two JBODs.

Repeat the setup by 6 times, and it would meet your 10 PB need. Throw in a few links 10GBps per server and have them all linked up by a switch, and you got your own storage setup. May be Minio(I have no experience with it) or something like that would give you a S3 interface over the whole thing.

I bet it would come out much cheaper than AWS. But, you’ve got to get your hands dirty a bit with system in work, and automate all the things with a tool like Ansible. Having done it, I’d say it is totally worth it at your scale.
The government/local councils seem to be able to work out how to power the parking meters. There's no reason why each parking spot couldn't have a charging pole installed with smartcard or NFC via mobile app registration and payment.

There are plenty of solutions, what's needed is the will of government to deploy those solutions.
https://archive.is/s7EgD
This looks like a couple of iterations behind the multi story slums found in various parts of Mumbai and other parts of Asia..
My gut assumption would be that seeing a therapist virtually is now normalised due to COVID.

Prior to 2020, my insurer would've laughed me off if I tried to claim a psychotherapy visit that wasn't done in person. Now it seems they're bending over backwards to let me know they are allowing it.

Something as small as physically going to an appointment is enough of a barrier to access, sometimes.
Past related threads:

Gravity Energy Storage: Alternative to batteries for grid storage - https://news.ycombinator.com/item?id=25650551 - Jan 2021 (167 comments)

Gravity-Based Energy Storage Begins Trials 2021 - https://news.ycombinator.com/item?id=24337537 - Sept 2020 (2 comments)

To Store the Wind and Sun, Energy Startups Look to Gravity - https://news.ycombinator.com/item?id=22394154 - Feb 2020 (2 comments)

Lifting rocks as a form of long term energy storage - https://news.ycombinator.com/item?id=21736607 - Dec 2019 (1 comment)

Gravity Battery - https://news.ycombinator.com/item?id=6750276 - Nov 2013 (1 comment)

Gravity Battery Concept - https://news.ycombinator.com/item?id=6739349 - Nov 2013 (72 comments)

Others?
I think I actually saw this talk live. What are the chances. Definitely worth checking out, it’s pretty fun.
What you have described would last for 1000 days used to even out daily (solar) power demand/supply. So for a 25yr capability it would cost 8x more? I would hope not, and I think you could get 3000 cycles by restricting temperature and charge/discharge, but that still requires 2.5-3x higher cost and puts this solution as very competitive with current battery solutions.
If my dead body is useful to someone, then why should it rot somewhere? It’s not like I was cared for only to have my liver harvested, so it makes zero chance to compare it to deliberate killing of people.
Does any large/important installation actually rely on antivirus for their security posture? My impression is that if you're at the point of having to detect malicious code, you've already failed, and most large companies that run antivirus only do so because it's required by years-old compliance standards.
No, I think it's because GP is a newish term.
Huh, TIL, thank you
Covid is an acute infection, you get infected, you beat the infection or you die. Some may have life-long side effects from the disease, but they are free from the disease itself.

Malaria, like HIV or Herpes, is a chronic disease. Once you're infected, you're affected by it until you die. The debilitating effects of malaria also have disastrous economic impacts.
If you look at the rightmost column, none of those mention EInk ereader support, only app support.
Examining investor reactions to appointments of Black top management executives
I think I answered to another comment of yours, that presumably your condition is noted on your medical records. Which are definitely looked up before transplants.
Absolutely.

I think the players are behaving differently. My thought is that the games will appear to be more similar to training ground practices where the opposition are your own teammates, so the sorts of tackles and behaviour the players express will be different as you don't want to risk injuring your own teammates.

Overall i think the quality of football played has improved without crowds although it's not the same experience without the fans.
Should I be butthurt at Carmacks approach to AGI (10:58)? I feel like I know enough of the risks but not enough of what Carmack is attempting.

We've had limits placed on human genome experimentation, but it seems the ability for 'independently wealthy empowered actors' to descend to supercomputers in their basement and make the decision for us on AGI progress is beyond reproach.

Does Carmack go into depth anywhere about his area of focus?

Full disclosure: These videos are the extent of my AGI risk knowledge lol.
https://www.youtube.com/c/RobertMilesAI/videos
Some people really liked the mall.

I especially enjoyed our trips to the regional upscale mall as a kid.
Vulkan Compute is the alternative, and you should look again if you're serious.
IMO, the crux of the issue is that kind-of-necessary and dangerous functionality is commingled in "ICMP", with no trivial way to separate the two.

With usual TCP and UDP, you block by default, allow outgoing, allow replies and your internet works (consumer defaults). If you want, you allow specific incoming ports and it's good enough for most use cases. It's almost trivial to configure a reasonable basic firewall, and you can learn all you need in 5-10 minutes.

With ICMP, there is this long list of types and subtypes, some of which sound dangerous while others necessary. Which ones should you block and which ones should you allow?

Do you expect everyone to create an accurate threat model? People have lives. So, some people end up blocking ICMP and internet "works" except .. of course it doesn't.
From your own sourcd, emphasis added:

“but AstraZeneca is still planning to apply for emergency use authorization of its shot in the U.S.”

planning to = has not
Austria?
The f other vaccines had more than 40,000 trial participants. Please list them all. You seem to think there are so many.
I've found similar. Clearing all paths is not always a priority. In the winter it is was necessary for me to find alternate routes for my bicycle commute.

Single lane roads with no shoulder can be very dangerous in the winter. Fortunately where I am in Canada, there's adequate space for cars to pass on the roads I take.

> bicycles are still quite horrible in the winter.
I find the opposite. The activity itself is fine, but the winter is quite horrible on bicycles. Salt and slush can really make a mess of the mechanisms.
Yes - it’s why I switched to Microsoft Edge.
I wonder why they decided against Vulkan VK_KHR_ray_tracing again. In the original Cycles they did not go for it because of its architectural incompatibility, but now that they are doing a fresh start ...
It's really a lot more complicated than that.

But I think it's time for me to walk away from this discussion.
BERT2Code: Can Pretrained Language Models Be Leveraged for Code Search?
Still no anti-virus for JavaScript to this day. #TooSoon
The micro/tiny homes in Portland seem to be doing pretty well. Hasn't turned into a disaster like some people said would happen. It sure beats seeing people living in their own trash piles under bridges. It's really sad the gov isn't doing more, and gets upset when people try to help. The people who complain about homeless camps are also the same ones partially responsible for it in the first place.
Whoa, that site (lumathon) looks like exactly the sort of "Flickr alternative" I've been looking for.

It's so performant, and the zooming-as-you-scroll part is really elegant.

If that's your site, which it seems to be - great job!
Any source on your claim? Because there is basically research into every illness, and usually organ transplant is chosen as a last option. But when an organ does fail, there is hardly any other choice left.

And organ “printing” is simply not there yet.
I was planning on buying an EV, until I lost power for a week in Texas. My car was the only thing that saved my bacon. Really made me lose faith in being so dependent on electricity for everything lol. Very third-world feelings, but there you go.
Please take one quick glance at your country's politicians, police or intelligence services. How many oaths did they take? The fact is oaths are just hollow ceremony.
We are developing IoT sensor systems for the Utility sector. We are being quoted 22-52 week lead times for pilot quantities (100s) of Arm M0 chipsets.
I wish that cost basis wasn't the only consideration when evaluating energy storage, but we're so accustomed to money being the great equalizer that things without a financial cost associated are often overlooked.

What is the $/MWh cost associated with mining for, recycling, and disposing of battery components? What about the third order effects of centralizing control over the fuel source within only a handful of countries[0]? What's the $/MWh of the political shifts?

I can't safely make assumptions about why you personally stopped reading after cost came up, but it seems to be a common reaction at this point. "Show me the money!" tends to end most conversations about energy these days.

0: https://unctad.org/news/demand-raw-materials-electric-car-ba...
Oh yeah, I always wondered about those kinds of gangs/cartels that barely even try to hide. Could one just walk in and place an "order"? Seems pretty risky, even if they agree, you might end up owing them (or rather, being owned by them) forever.
With a heavy water thermonuclear reactor
Isn’t tidal energy just harnessing some of the existing gravitational potential energy of the Moon-Earth system, which is roughly similar to any system that harnesses energy from a massive object falling due to gravity?
Lower risk for dementia from having an active lifestyle that involves occasionally needing stitches, and being the type to go get them and also get a tetanus shot.

The idea that vaccines magically cure dementia for no particular reason is so absurb they should be embarrassed to publish this drivel. Basically everything indicative of intelligence, exercise, and health consciousness predicts lower dementia risk; it shouldn't be surprising that something associated with all of these seems correlated.
Top growth hackers can fill your growth idea backlog
But that "something" keeps being pulled down until it is stopped/blocked by something (e.g. the ground). Gravity is perpetual relative to the source of the gravity. It's just that our surroundings change and give the illusion of gravity changing...i.e. we don't "run low" on gravity

I don't think Maxwell's Demon is 100% solved.

Tidal energy could play into it, some underwater tides deep in the ocean are insanely strong.
These Obama "we"s that contradict all known facts must stop. It's a kind of logical falacy to throw out a we that includes a vast majority that you know are not in agreement with you!

Americans absolutely freaking love their cars and have no desire to change the drive-thru lifestyle. I can't convince my parents not to feel pity on me when I'm overseas without one, they don't understand and can't understand that I am not merely indifferent, I hate the burden of a car and living in the inconvenient cities that pop up as an result of mass car ownership. The preferences of my friends in their 30s make it clear to me this American preference is not changing within our lifetimes. The lifestyle I want is only available, for the most part, in Asia. A recent long stay in Paris was even quite a surprise for me, I found the population density way too low to enjoy the convenient walk everywhere lifestyle easily found in Shanghai, Seoul, Bangkok, Istanbul etc.
If it's cheaper than batteries, adding batteries will just make it less economical.
Reciprocity is not some outlandish concept: If you're unwilling to help out, you don't get to join the mutual aid pact.
This looks pretty good, straightforward and easy to use. Will probably use this for one of my projects.
I was actually referring to the pushback centering around the consent argument, but in any case:

> You might be in a critical state and someone else really needs an organ from someone like you.

How often does it actually happen that an organ recipient and a matching potential donor who is in critical condition are in the exact same hospital at the same time? Is the concern for skewing the incentives real? I’m not even sure where the incentive is in your example—it’s just trading off one life for another. The hospital still wouldn’t be avoiding the potential death of a patient either way.
The right to health is completely made up; bacteria, viruses and cancer don't honor this right and doctors and drug makers don't work for free, so this right and a few similar ones (right to Internet, for example) are just pulled out of someone's rear parts.

That being said, it cannot be used as an argument in a civilized discussion between adults.
Oh yea, that's a problem. They're shanty shacks.

Welcome to the Toronto slums.
The Spectrum of Optimism and Pessimism
This electric car "revolution" is also a very good way to keep the poor people firmly in their place, at least here in Europe.

As a low-income single-mom you might have used to drive your kid to a better school in a 15-year old 1.2 Opel Corsa while living just outside Paris, where rents are cheaper and the social environment is better (i.e. no gangs) Tough lock, that's hardly allowed anymore. It doesn't matter if that means that your kid you'll have to attend a worst school or that you'll have to move closer to the city (and to the gangs) in order to get some chance at public transportation, that car is a threat to society.

Also, gently look away while the government fills the pockets of middle-class people with thousands of euros (even more) representing electric-car "subsidies".
Sandsifter – The x86 Processor Fuzzer
I would like something like this but for license plate detection as well as speed detection.
Cars have a lot of parts with chips in them.
What is the connection between NY and Berlin?

Russia. Russia is the connection. Organized crime at the political level.
This reminds me of sandsifter, the x86 processor fuzzer:

https://github.com/xoreaxeaxeax/sandsifter
There are companies upgrading the batteries in early Leafs. This seems to work because the newer model batteries are similar enough that they can be made to work. They aren't re-celling the originals.

My guess is as the market grows this will become more common.
Save Time
Sadly in the UK we’ve had a bunch of instances of malpractice where doctors came off as fundamentally unethical. Add to it that state bureaucracy can often feel cruel and heartless, and you can understand why people might be suspicious.
I happened to be touring the area in the not too recent past and had to travel by Amtrak long distance. When it passed through Oakland and the east bay I couldn't believe the devastated scenes I was able to witness. These sights are otherwise hidden from plain sight since trains typically travel through less than desirable areas. My jaw dropped. I saw stretches of abandoned vehicles, burned out vehicles, trash piles, shanty towns, it was crazy.
That is why I said "mostly", at least in comparison to programs or humans. Obviously yes there are very occasional problems as you've described.
My only reference to something like this is Kerbal Space Program, which uses science as a pseudo-currency to unlock new items etc. I figured it was just a video game thing and did not reflect real life at all.

This is strange to think about. Are these valuations public? Can science be traded between government agencies or other countries? Does science that gets made become devalued over time? Is there like venture capital where VCs deploy science instead of dollars? Has the value stabilized yet such that we can predict how much science we'd get with an arbitrary amount of money or vice versa?

Genuinely interested in learning more since it feels like if we can properly tie "science" to $, we can predict the future by looking at budgets, no?
Where does the money come from? Cities are cash-strapped, which makes demolition & park development unlikely. Existing property owners aren't exactly in the business of giving away prime realestate or operating charities -- they'd probably opt for more suburban housing developments.
This seems like a very involved way to avoid tackling the underlying human problem.
A Water Computer
Repo.pixelomer.com
IMO you grossly overestimate the amount humans know about things.

Science is basically a stream of updated realizations that the previous "known" things were actually wrong.
The line is pushed a bit every time. This time is there, but the history tells us it is not stopping and the next step is scary.