skysight-inc/HackerNews huggingface dataset:
Of course it comes down to your politics. That's why you're arguing with me right now.

https://pubs.acs.org/doi/10.1021/acsnano.0c03252

https://med.stanford.edu/news/all-news/2021/09/surgical-mask...

There's plenty of mask studies. The fact that you don't know about them, despite the 1.5 years of mask discussion, is because of your bubble. Not mine.

I've generally seen 60% efficacy from 2-ply cotton designs. The textile study from acs further broke that down into different cottons: tight 600 tpi cotton was more effective than 80tpi loose cotton.

--------

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7263076/

> Published online 2020 May 21.

> In comparison, the 100% cotton t-shirt had a 69% mean filtration efficiency for the 1 μm particles and 51% for the 23 nm particles.

And the big one is the NIH study, conducted relatively early when the mask debate was raging. By May 2020, they already finished their study.

T-Shirt cotton was over 60% effective.

----

Look, its very difficult for me to believe you're arguing in good faith. We're well over a year into this pandemic and you're bringing up talking points I haven't heard in over a year. Your talking points have been completely disproven a year ago.
Amen. The purity tests that “Affordable Housing” is subjected to inevitably leads to failure.

Build housing. Build too much of it, to the point where it’s hard to sell and you have to lower the price to find buyers. That’s it. Housing is a supply problem. The housing crisis isn’t happening because houses cost $2,000,000, it’s happening because there are a dozen buyers ready to pay that amount for it.
EDN is the best I've used, I dream for it to become wildly adopted.

It has powerful types, can be extended, clean explicit syntax, whitespace independent, easy for humans and machines to read. It's like JSON done right.
>The main reason this is likely to be bad financially is that your house won’t appreciate like a house in Seattle.

So the only solution then is endless appreciation of house prices and salaries?
Can we get the headphone sockets back please?
It's 2021 and still not close to fixed, how do you propose they'd fix film half a century ago or more?
I actually think I have it worked out how to recycle older games and legally sell them, it would be to collectors to start, this would be the base to start moving into recycling.

I don't mind if others try or take this idea but it would work, you can't legally sell the ROMs. You can sell second hand copies of old games you own. I believe you are allowed the ROMs legally only if you own the game so you bundle it up ROMs and physical copy of old game.

How can you ensure that the user won't share the ROM with others.... That part Ive worked out as well. I just can't do everything on my own it's to much with all my other projects as well.
I read documents in the outline format all the time. This is because I read legal documents, and those are in that format. I'll contact you with my email address.
Yes. I was just explaining one likely reason for this limit.
Brooklyn increases the density steadily. I see a lot of construction around me, mostly higher-density replacing low-density, but it's relatively slow.
We've already been to Mars
> finding the exact audio offset would be impractical.

And yet you can land an airplane without looking out the windows, by measuring timestamps between source and destination of a signal (GPS).

I'd argue not that impractical.
> cannot take a normal photo of her without blowing out the background

If your wife’s skin is significantly darker than the background and your photographic process doesn’t have the dynamic range for both, you can e.g. use fill flash, bounce extra light off a large reflector onto her face, use a filter over the lens (works well for taking B&W images in some situations), or take a picture using a process with better dynamic range (and optionally play with the image when printing, either lightening specific parts or applying some global lightness curve; e.g. you can take 2 pictures with one exposed for the foreground and the other exposed for the background and blend them in software).

> Think a simple sunset pic. If I just snap, she looks like a black blob.

This happens to a substantial extent to people of all skin tones, though the darker the skin the harder it gets. The sunset is much, much brighter than foreground objects. Try fill flash (and if the results are poor, try to figure out how to position your flash somewhere further from the lens, e.g. by using a separate flash).
Amazon is the FAANG of last resort where engineers go to do their penance and show that they can put up with a year of working for a terrible employer. Their company culture is garbage among engineers and are notorious for abysmal practices such as hiring people for the sole purpose of having someone to fire so some middle manager can hit their unregretted attrition metrics. Amazon does cool work, but after talking about it with friends and coworkers who have worked there and one that is trying to leave I would never work at such a terrible company.
> You don't build affordable cars, you just build cars, which end up becoming "affordable" in the used car market. Ditto for housing.

The problem I see with this analogy is that housing is an investment (which is part of the problem when you want to build affordable housing), but cars are not. I don’t think anyone decides to buy a “used house” vs a “new house”. Houses are houses, you buy the one you can afford.
> I've never worried about it, never been hurt by it, and never heard of anybody being hurt by it.

Just as my anecdotal experience: I've shocked myself at least twice because my finger slipped over the contacts while I was trying to plug/unplug something in the dark. I have of course learned my lesson and am much more careful when plugging stuff in, but it's a relatively easy mistake to make if one is tired or not paying attention.

Yes, I got shocked because I was stupid and careless. But a connector that everybody uses every single day should be idiot-proof -- it should not be possible to kill myself because I plugged something in carelessly.

The US has the "excuse" of being the first domestic power distribution system -- other countries have better standards because they were able to learn from the design flaws in our plugs. And our split-phase 120V system is (as far as I know) a great idea that's way safer than direct 240V. But there really are a lot of things that the NEMA plugs leave to be desired. I second the recommendation by a sibling commenter to check out Technology Connection's videos on the subject -- I found them to be entertaining, nuanced, and highly informative.
One of the issues with wireless buds/headphones for me is the DAC (Digital-to-Analog Converter).

The DAC is quite critical for final sound quality (responses to different frequencies, amount of noise...).

Most wireless use built-in DAC and provide no method for using an external/standalone one.

Another obvious issue would be the connection stability which is why I still use 3.5mm on my iPhone 6s (or previously iPhone 8 but requires an adapter).
Correct. 5 year fixed term mortgages are common to UK/Canada/NZ/Australia.

Not that interest is as significant in the United States considering it can be deducted from your taxes.
> It's a sub-optimal use of land for solar PV

the PV aspect doesn't really have to make any compromises for this sort of system. it is installed on taller posts than you might normally use, and there's some netting on the underside to keep the wiring a bit more protected from passerbys, but it's otherwise a standard install in a field.
> You absolutely do not need HDR photography to shoot darker skin with lighter skin. In fact most cameras have enough dynamic range today to deal without an HDR capture.

We may be conflating techs(my fault). I'm mostly interested in digital, so I can't defend much about film.

I know of no phone camera that can do what you say. As a diverse family, either I'm blown out, or my wife looks like a chunk of coal. Even her Fuji digicam behaves this way.
The whole thing is insane.

First Veritas (responsibly) refuse to publish the content of the alleged Biden's daughter diary (the fact that she was hidden from the public is a red flag by itself but I digress) that were given to them anonymously because they can't verify nothing.

Then they try to give it back to Biden's daughter's attorney but he refuses because that would be considered as an admission of its authenticity.

And then they give it back to the FBI.

Then they get raided. Which is weird because the FBI can't have warrants based on fake documents.

Then the New York Times had access leaked information about the raid from the FBI.

At least the ACLU had the good sense to set aside their political bias for once.
So the evil racist film makers designed a film specifically to help a group look better, but then used sneaky KKK 'coded language' to denigrate them?

Or maybe that would make no sense, so there's no basis for your conspiratorial conjecture.
You've changed your argument, just so we're both aware of the fact.

The initial argument was that oil is under-priced relative to its full cost of formation.

You're now arguing that we can synthesize oil given sufficient energy.

The principle value of fossil fuels has been somewhat less their chemical properties than the stored energy that they represent. This is rather like saying one can satiate one's hunger by eating one's arm. The problem isn't filling the belly, the problem is growing and operating the arm.

If we do find a viable means of creating synthetic hydrocarbon-based fuels (I've suggested this myself fairly frequently: https://hn.algolia.com/?dateRange=all&page=0&prefix=false&qu...), what we'll find is that a properly-functioning market will price those according to their true opportunity costs. Those will reflect the energy and capital inputs.

If I understand the research correctly, stored energy will net about 50% of the input. Returned energy from thermal mechanical or generating applications will be about 15--25% of the original input. The cost is a great deal of lost energy, the gain is storage, portability, and availability when needed.

The reason oil is "cheaper" to pump out of the ground is, as I began this thread noting, because economics ignores the full costs. And, as I've said previously, under free-market conditions, prices fall to the marginal cost of extraction only (equivalent to the bus fare to the bank), which in 1930s east Texas hit a low of $0.02/bbl. (At the time, $1/bbl was considered a reasonable price.)

Note that at the time, the geology and chemistry of formation were poorly understood. The age of the Earth itself had only been firmly established as being in the billions of years, rather than the 6,000 of biblical estimation or perhaps a few hundreds of millions by geological and physics estimates (Lord Kelvin concluding the latter, in the absence of knowledge of radioactivity which could explain the sustained inner heat of the Earth and the Sun's own power source).

You might care to avoid bringing the discussion back to previously addressed and dismissed points.
Accidentally Turing Complete
There seems to be a possible, overlooked cause & effect in the current landscape:

If FIRE followers scale the strategy of investing and renting multiple homes, are they not limiting housing supply for other potential homeowners or exacerbating homelessness?

It is not just that houses are not being built, but that a shortage of supply is caused by the FIRE generation: buying houses as investments rather places to live, with the goal of living off on other people's rents or Airbnb, not paying taxes and leeching on society for the rest of their lives.

https://www.youtube.com/watch?v=j5zndjPZ2Is

Does anyone see the potential problem of this movement or are we just equally blinded by social media?
Oh hey, I just bought my first pair of corded earphones in basically forever. I don't know everyone else's reasons but here are mine:

1. So-called chi-fi (Chinese Hi Fi) has made huge strides and I was able to get a really great pair of IEMs from a company called TinHiFi for $70. Definitely the best sounding pair of in-ear headphone's I've ever had, and rival some wired regular headphones I've owned in the past as well.

2. Bluetooth is worse than Hitler.
There are ways around it.

I've got a guitar cable (1/4", but some basic design) that has some sort of trick setup in the plug where it shorts everything until the ground is firmly connected... no pops or crackles.

Edit: This is the plug used.. https://www.amphenolaudio.com/products/14-2/t-series-switch-...
Did you reply to the wrong question? I'm not sure what your point is and how it relates to mine?
How would you envision using an external DAC with Bluetooth headphones?
And in 15-20 years when it's replaced, it's likely the replacement will cost a tenth of current prices. Batteries are getting so much cheaper every year that I'm delaying purchasing only because I don't want to lock in today's prices, and I'm hoping for an aggregated demand response solution that can start paying me for battery usage as well. Just being able to island my house and ride out a blackout isn't as much of an incentive at the moment.
Yes, but the 100,000 do not have equal purchasing power, so you don't have to have room for all of them for prices to go down.
It would be so cool to have a video of that moment!
Obviously the application has to interpret the Lisp object resulting from reading the S-expression, just like it has to interpret any JSON, YAML, or anything else that it reads. So for maps you can, as you mention, use alists or plists. Regarding other stuff mentioned: none of the encodings are supposed to be bijective (the writer emits the exact input that the reader ingested). Otherwise, for example, they couldn't have comments, unless those ended up in the data somehow. There is ASN.1 DER if you want that, but ASN.1 is generally disastrous.

Stuff like escape chars were well specified in Lisps of the 1970s (at least the late 1970s), including in Scheme (1975). Floating point conversion is a different matter (it was even messier in the pre-IEEE 754 era than now) but I think the alternatives don't handle it well either. You probably have to use hexadecimal representation for binary floats. Maybe decimal floats will become more widely supported on future hardware.

A type-checked approach can be seen in XMonad, whose config files use Haskell's Read typeclass for the equivalent of typed S-expressions.
I'm also confused. The TOML example is way easier for me to understand. It's clearly very subjective.
You don't have to accept wires to not have buds. There are 4 options:

1. Wireless buds

2. Wireless non-buds (some sort of wrap-around design to keep
them on)

3. Wired buds

4. Wired non-buds

I go with (2) personally, but mainly because Apple stopped me using wires. My main problem with bluetooth is that the headphones aren't loud enough (yeah you have to watch the line between loud and damaging but headphones are my opportunity to play music loud). Recommendations for loud wireless headphones appreciated!
Agreed. It's not perfect and can be buggy.
I don’t drink coffee for other reasons but I do buy a lot of dark chocolate. Is it a known fact that cocoa is run by child labor? Even fair trade premium brands like Taza? I’m asking because I will give it up if so.

As for textiles, does this mean all/most brands? I think it is worth boycotting brands that have unethical business practices but I didn’t really realize this was still going on in 2021 to a large extent. I know that sounds ignorant but I guess I just never really looked into it and it definitely isn’t shared in my echo chamber.
Thanks, the table of contents looks promising.
Is the US population still growing exponentially?
> System Integrity Protection needs to be (partially) disabled for yabai to inject a scripting addition into Dock.app for controlling windows with functions that require elevated privileges.

To me, this is a dealbreaker. I don't want to disable SIP (it seems to break some software..), even if temporarily. I'm assuming that as soon as my OS gets updated, I would need to go through this process all over again... I'm getting too old for this.
Substack is trying to be a platform to let people build those kinds of businesses, the way Shopify let's any retailer build an online store.
This website is really fantastic! I wish there were more websites like these!
Systems as Mental Interfaces
Sweet thanks for some context. I'm going into a pretty specific niche within federal law, sentencing, so maybe I'll be able to generate some traction.
I used to use chunkwm and yabai but ultimately shifted away from using it after I got an ultra wide monitor. It’s a pretty faithful recreation of bspwm and sxhkd but I do feel like that form of tiling doesn’t work that well on ultrawides. Something more akin to xmonad like amethyst or i3 (equivalent doesn’t exist to my knowledge) seems more useful in that realm.

I’m now using hammerspoon to handle window management. I do wish that there was more support for this baked into MacOS itself, the performance of all of these is quite bad compared to their counterparts in Linux.
I don't agree with the person you're replying to, but this is a bizarre take:

> There is no societal problem for which "just move away" is a solution.

Why make such an absolute?

Here are a collection of societal problems where "just move away" would be a great solution (some are dumb, but I think they're still valid):

* The local community has pushed towards street art in local parks. You strongly dislike street art.

* Your neighbours like to get drunk (in a non-violent way) every night. They're not overly noisy, but they have gross yards and you have a level of concern that the drunks will eventually make a terrible choice that impacts you (such as drunk driving into your bedroom).

* Lack of kids. You have a family of 4 and the local neighbourhood is filled with retired professionals with no kids. You want to live somewhere that enables your kids to socialise.

* Wayne, your long term neighbour, is using meth. He's managing his addiction very well, but he openly shoots up in the shed with his roller door open. You don't like seeing needle drug users shooting rock.
EDN solves all these problems: https://github.com/edn-format/edn
The ACLU has vigorously defended the KKK on civil rights grounds, which is admirable.

If nobody defends the KKK, the steamroller of censorship and oppression will continue until it reaches something you care about.
Depending on which estimates you look at, Tokyo is somewhere between 30 to 50% cheaper than San Francisco. It's also a vastly superior city in just about every possible way
I thought self driving cars were already on the road in various parts of the country, doing test rides and all that.
> To limit the potential confound of disease states associated with our human brain samples, we compared the biophysical properties of neurons from patients with hippocampal sclerosis; tumour; and other conditions, including gliosis and trauma. We found no significant differences in somatic outside-out currents between the three groups (Extended Data Fig. 7). We also directly tested the effect of epileptic seizures on somatic ionic conductance in rats and found no significant differences (Extended Data Fig. 7). Together, these results suggest that disease aetiology is unlikely to underlie the distinct features of human L5 neurons such as their low conductance.
Yep. Ask people who grew up in suburbia and who have only ever ridden public transit when on vacation what they want, and they'll probably tell you more low density neighborhoods, bigger roads, large shopping centers (but not malls since those became un-cool), etc.

When left to their own devices, these people will inevitably take the worst parts of north Jersey and Long Island and implement them wholesale because it's all they've ever known.

The affordable areas low-wage workers could previously live in just 15 minutes away have gentrified over the years, but local homeowners have no real reason to care that their cashier has a 2+ hour round-trip commute. As long as they can still get their groceries, it doesn't affect them. But, crucially, while the employees have to spend a shit ton of time and money getting to and from work every day and likely spend a fair amount of their paycheck in the city they work in (and pay a fair amount in taxes to it as a result), they have no say in its governance since they have to vote where they're registered to.

Local governance utterly fails in these situations, regional planning requires state involvement when municipalities repeatedly shoot themselves in the foot for decades.

And of course, as we hurtle towards a climate catastrophe, we must not forget that most people who commute long hours to and from work everyday drive cars - single occupant vehicles - because the only other way to get there involves an hour+ Greyhound ride (because they travel between multiple independent transit systems). Regional planning is needed to address these issues; the American worship of single-family zoning completely undermines any progress towards meaningfully addressing climate change.
Previous discussion:

8 years ago / 112 comments:
https://news.ycombinator.com/item?id=6156238

6 years ago / 22 comments:
https://news.ycombinator.com/item?id=9584172
I couldn’t find any info about that leak of veritas’ privileged info. Any sources? I looked at the NYT’s article and everything seemed to come from veritas themselves…
It's easier to buy a $1.5 million home in the Bay Area when you earn $300k than a £1 million home on £80k.
I think 2008 was not about housing surplus, it was about bad loans which loaners could not possibly repay.

The foreclosured realty has been selling pretty quickly.
I've taken both classes. You can take Andrew Ng's class with no prior AI experience. Though Math is a nice addition. Every concept is broken down and explained. You actually get to build real models using python and numpy. This was probably the best course I took for an introduction.

Yann LeCun class has a ton of information and you can easily get lost. I spent a great deal of time after hours trying to figure out what was being said in class. I still can't tell you what energy based models are. Not to take something away from the class, but you will need a whole lot of resources to come out learned in these classes.

The option here is not either or. You will be better off starting with Andrew's class, then muster through Yann's.
+ React Native

+ Cassandra DB

+ pyTorch

+ Jest

+ GraphQL

+ Oculus Quest
Demand isn't unlimited, and you have the causation mostly backwards. Cities being successful causes people to flock to them, which means there's demand for density.

The problem is that it isn't just those on the right opposed to density -- the left is little better. Sure, progressives are largely okay with what density already exists, but propose upzoning and they flip out. Just look at the California state legislature, or major west coast cities.
Multiverse was a typo. They meant "metaverse".
The fact they were raided lends credence to the documents authenticity, so I am baffled that it happened. They chose not to publish because it's outlandish and has no proof. Now, it looks more genuine.
I much appreciate the advice, it's not lost on me. I guess I'm just confused why we cannot solve this problem today in a normalish way, as our eyes see things. And more confused that we call tech from 50 years ago racist because it could also not achieve it.
Under accessibility toggling reduce motion serves a similar purpose. It is not instantaneous like yabai but I’ve found it quick enough to not be frustrating as someone who utilizes spaces heavily.