skysight-inc/HackerNews huggingface dataset:
Some questions to think about:

What is the smallest practical size for a military swarming drone?

How many could fit in one TEU?

How many TEU are shipped to your country every day?

How many drones could be shipped to your country before anyone notices?
"But since even the most efficient internal combustion ship engines are no more than 50% efficient, a [...]"

But how efficient are the coal, nuclear, or natural gas needed to charge the batteries? At best 60%? Was it mid 20s or mid 30s for PWR nukes? 50% thermal efficiency is insanely good.

And the battery ship? To the 90% battery efficiency, knock a few trips through a transformer (95%) and power converter. So 0.6 * 0.95 * 0.95 * 0.9 -
= 0.48% thermal efficiency

By contrast shipping fuel is a waste product that is going to get made whether or not the ships sail (i.e. largely free to produce energetically).

Talk to me about cleaning ships S emissions and Ill get excited. In the meantime put all those Li ion batteries into hybrid versions of Ford F350 and heavy trucks used by contractors. That will make a much larger dent in CO2 emissions.
Honestly, I think it's more of a polite way of saying that Apple is a very secrecy-focused organization and they are most comfortable having employees behind lockdown to minimize the possibility of leaks. Regardless of productivity.
Apple specifically does things the hard way so they don't need to know anything about you.

Siri works mostly on-device and any queries are anonymised. This is one of the reasons why it's not as good as Google's Assistant. Assistant on the other hand is 100% cloud-based, but has been moving more to on-device.

Same with Apple Maps, they cut any fetched route to multiple legs and fetch each individually so they won't accidentally know where you are going. All suggestions on possible destinations are based on on-device ML. Google's version just happily uploads every place you've ever been to the cloud and uses that to calculate possible destinations.
There are numerous rights and exceptions. Which exceptions apply vary by country and I can't speak for all countries, but virtually nothing in copyright law is strictly without exception. Unsurprisingly there's no shortage of people eager to convince you otherwise.

As an aside it is very strange that so many people derive their understanding of copyright law from various international treaties. These very rarely come into play in actual U.S. copyright cases and have little influence over the way courts interpret the law.
You don't think he counts as an exec, that his opinion is of value?
In a slow-moving ginormous long-distance vehicle the size of a modern container ship wouldn't redox flow batteries be an attractive option, which are already substantially cheaper by requiring less of those costly electrode materials?
Yes, lithium fires are a LOT worse.
Ask HN: Any wearables companies focused on industrial workforce monitoring?
Asking for a friend.
>Apple saw how underperforming, short lasting battery and hot the 12” MacBook was

I sure hope they saw. They designed, built and sold the things.

Would be hard to miss those issues during their development and testing, wouldn't it?

It's not like Apple didn't know what they were selling.
As I said elsewhere[1], just wish we saw some on-package ram options in the future too. This is really neat, and I hope they have success & high yields assembling so many chips- that would be groundbreaking. But from a system-building perspective, one of the most liberating/freeing things we can do is elimiate the many board-traces to ram & rams boardspace, & potentially with more direct channels we can possibly use less power at the same time.

[1] https://news.ycombinator.com/item?id=32558739
> having lived in Arizona where they don’t deal with such silliness

Oh god, I'm simultaneously delighted at the idea of not having to deal with DST and terrified of writing software that might have to keep track of whether or not the user was in Arizona during a DST transition.
> 57 > 43.

Acknowledged in my original comment.

A -14 difference does not make him "extremely unpopular". Merely less than a majority. A 43% rating is higher than Biden has, but no one would say he is "extremely unpopular".

And then there's the fact that it's a -14 difference between his party and everyone else. Given that "everyone else" includes two other major parties, it's pretty much a given that his party has more support than any other party. In comparison:

- In the last Canadian elections, no party got over 34%. In the last 20 years, no party even got 40%.

- In the last UK elections, Boris Johnson got just over 43%. And only once in the last 20 years did someone get more than that.

If IK's party really had 44% of the public's support, they will likely win any election.
I imagine these being charged by a bunch of diesel generators at the port, as it is cheaper than upgrading power infrastructure to supply that much power...
We're using JPEG's for leveraged trades. It's like we're living in the future.
Please don't continue lazily spreading this "planned obsolescence" nonsense, especially in cases like this where it's obvious, immediately, that the claim is wholly unsupported by any facts or even possible theories. Thanks.
On the flip side, the amount of materials, metals, and energy necessary to produce enough batteries to replace current fossil fuel usages, are order of magnitude larger than the current world production and known reserves.

This presentation does ballpark analysis of the problem:

https://youtu.be/MBVmnKuBocc

Even if the numbers are off by an order of magnitude, them problem remains worrisome and difficult to solve at scale.
You implied that Chinese tech workers work harder than their Silicon Valley equivalents. And that is true, because 996 culture is widespread there. But 996 is also receiving backlash, and in time they will reach convergence with the work conditions of American workers. And when they call for remote work as well, will you call them "spoiled" too? (Not to mention, with the zero-COVID policies there, there are probably plenty of Chinese tech workers working remotely.)

Calling acceptance of remote work "spoiled" is being ignorant of history. Just a few years ago, this extent of remote was unthinkable in tech. Companies would rather spend lavishly on slick hip offices with foosball tables no one played, on beer kegs that weren't exactly professional, to entice employees to work on-site, in open offices. Open offices are a near-universal bane of the industry and there was no check against management from adopting them. This past two years of remote was an unexpected windfall. And you call employees spoiled for finally getting a chance to escape the commute, away from open offices? Fine. That's your value system and you may live by it. Don't expect most people to agree.

As for Musk, the anti-remote tempest in a teapot was clearly another one of his acts of social media sleights-of-hand. Tesla was planning layoffs, and encouraging employees to quit because of the sideshow of remote vs. onsite was a convenient way to avoid paying termination benefits. Congrats on falling for the gambit.
> I would add: "If you see a big name company give a talk about some cool thing they made, it's probably already been abandoned by that company."

Watching this happen was insane. Some team kept giving talks about how great their thing is that no one in the company was using. Major conferences immediately lost credibility seeing that happen. Sometimes it feels like everybody is just bullshitting, maybe because it really is like that.
> ...massive amounts...

The entire world production of neodymium was on the order of 80k ton/yr the last I checked (though that was quite a few years ago).
I have an RTL-SDR that collects sensor data via rtl_433 [0] and publishes it to MQTT, which I use for temperature and contact sensors. I found it interesting that I pick up a fair amount of TPMS data from (what I presume are) people driving by.

{"time":"2022-08-03 08:25:13","model":"Schrader","type":"TPMS","flags":"ab","id":"555551E","pressure_kPa":267.5,"temperature_C":57.0,"mic":"CRC"}
{"time":"2022-08-06 04:53:23","model":"Schrader","type":"TPMS","flags":"d5","id":"2F656AA","pressure_kPa":585.0,"temperature_C":120.0,"mic":"CRC"}
{"time":"2022-08-06 06:15:29","model":"Schrader","type":"TPMS","flags":"af","id":"4BAAC5B","pressure_kPa":227.5,"temperature_C":35.0,"mic":"CRC"}
{"time":"2022-08-08 10:24:43","model":"Schrader","type":"TPMS","flags":"af","id":"553AAD5","pressure_kPa":232.5,"temperature_C":120.0,"mic":"CRC"}
{"time":"2022-08-08 10:35:39","model":"Schrader","type":"TPMS","flags":"5a","id":"AAB8576","pressure_kPa":452.5,"temperature_C":43.0,"mic":"CRC"}
{"time":"2022-08-08 10:58:22","model":"Schrader","type":"TPMS","flags":"ad","id":"6FF5667","pressure_kPa":427.5,"temperature_C":56.0,"mic":"CRC"}
{"time":"2022-08-09 21:34:49","model":"Schrader","type":"TPMS","flags":"6a","id":"BAD22B2","pressure_kPa":212.5,"temperature_C":132.0,"mic":"CRC"}
{"time":"2022-08-09 23:31:35","model":"Schrader","type":"TPMS","flags":"6a","id":"AB5E5B6","pressure_kPa":545.0,"temperature_C":163.0,"mic":"CRC"}
{"time":"2022-08-10 16:49:55","model":"Schrader","type":"TPMS","flags":"57","id":"B56AED6","pressure_kPa":427.5,"temperature_C":36.0,"mic":"CRC"}
{"time":"2022-08-11 00:58:24","model":"Schrader","type":"TPMS","flags":"ab","id":"DF44AAB","pressure_kPa":452.5,"temperature_C":187.0,"mic":"CRC"}
{"time":"2022-08-11 01:36:15","model":"Schrader","type":"TPMS","flags":"aa","id":"AB55552","pressure_kPa":432.5,"temperature_C":35.0,"mic":"CRC"}
{"time":"2022-08-13 08:27:24","model":"Schrader","type":"TPMS","flags":"54","id":"5555553","pressure_kPa":425.0,"temperature_C":120.0,"mic":"CRC"}
{"time":"2022-08-16 10:48:29","model":"Schrader","type":"TPMS","flags":"aa","id":"B552AAA","pressure_kPa":425.0,"temperature_C":123.0,"mic":"CRC"}

(Note: IDs munged just in case they're sensitive). I can't speak to the quality of data -- for what it's worth I do live on a regional road with a high speed limit, so it's understandable there would be some hot tires. However theses could also just be poor quality sensors, bad signals, or bugs in rtl_433.

Even aside from the obvious things like carrying around and using apps on a cell phone, it's amazing to realize how much information everyone leaks just going about their day. I've not investigated anything about how frequently or reliably these signals are sent, but it does seem feasible this could get used for vehicle presence detection or even short-range tracking.

[0] https://github.com/merbanan/rtl_433
MacOS always ran on x86 chips. SJ admitted as much. There was always a skunk works project to keep OS X compatible with x86z
From the same author:

https://www.lesswrong.com/posts/X3HpE8tMXz4m4w6Rz/the-simple...

(In case anyone feels like shitting all over this essay, 47 other extremely learn-ed HNers beat you to it all the way back when Steve Jobs was still alive.)
I was wondering about usng solar panels to offset batteries. These ships travel at 43 kph. A 5000 km range ship needs 6.5 GWh of storage for a roughly 100 hour trip, or 33 hours of near-peak solar production (assuming no clouds). So, it would need about 200 megawatts of solar to completely avoid charging while docked. 20 watt/sqft is pretty good these dats, so it would need 10M sq ft of solar panels on its deck. Cargo ship decks max out at about 265K sqft.

So, there's no point in putting a solar array on the deck of one of these things.
More like 60s and 70s for me, IMHO the height of the era ;-)

There's a definite sense of pride and ownership in being able to understand and work on your own car. Sadly, that's all been replaced with subservience to the corporatocracy and the accompanying erosion of the concept of ownership.
At the Sandia central collector the main beam is much hotter than 900 degrees and it's not uncommon for birds to be cooked instantly and drop from the sky if they happen to fly too close to the beam's focal point. This is one reason why the heliostats are always kept defocused unless an experiment is taking place.
OK, so if you want to force the recommendation system to generate similar music, of course you can use the "Go to song radio" feature on Spotify.

Here are some other interesting seeds.

* 0:47 seed (Romilda Prime): https://open.spotify.com/playlist/37i9dQZF1E8NyZRPJ6i5rq?si=...

* Venera Fanucci seed: https://open.spotify.com/playlist/37i9dQZF1E8PTURLXiSzw3?si=...

* Scars Hayden seed: https://open.spotify.com/playlist/37i9dQZF1E8NLdq3OfZZrl?si=...

* Chinpe seed: https://open.spotify.com/playlist/37i9dQZF1E8O73Ntg828PD?si=...

This one is interesting because even the album art is generated, rather than stock. The artist names are usually all uppercase. Perhaps a different author, but the techniques seem the same.

* Western Wilds seed: https://open.spotify.com/playlist/37i9dQZF1E8LLKjmBVSRwb?si=...

(See also Exboro Key, Defiant Leather, Gallisle Isle...)

* Hollow Linen seed: https://open.spotify.com/playlist/37i9dQZF1E8PeWgO6Bpowe?si=...

* Surrane Path seed: https://open.spotify.com/playlist/37i9dQZF1E8NCJ0IQOCfKi?si=...

This is a broken classical music generator, perhaps the most interesting!
Why would you "speculate" when the facts on this program (for iPhones) have been out for months and take 15 seconds to check and entirely falsify your comment?
Until your TV decides to connect to your neighbour's open wifi AP
I wonder if you could design a keel with semi-permanent "slots" for the battery packs. They're going to weigh an incredible amount, so they'll probably need to be as low as possible, and partial surface contact with the ocean would help with the incredible cooling requirements. Fire starts, pod immediately drops into the ocean?

There's no real way to put out a lithium fire of that size, even if you extinguish it, it may start again days later. Has to go overboard one way or another.
Like some high quality audio streaming or better Airplay integration or something?

I had the same temptations to upgrade to Apple but I've resisted. Android seems to be where it's at for pure variety of software when it comes to TV/streaming media.
Of course. Bruce Schneier figured this out in 2008:

https://www.schneier.com/blog/archives/2008/04/tracking_vehi...
Interesting, could you link some of those papers?
Risk Everything (2007)
> insofar as "blame" and "ability to prevent" are different, I'm only assigning the latter to keffals

This is what you wrote:

>> she is not entirely blameworthy for it

"Not entirely blameworthy" means "worthy of some blame".

> nowhere on earth is any more safe than is london ontario, to any large degree

It's not all about the place. Just being in a new country, especially one where it's possible to prevent your name from being published, makes a difference. It allows Keffals to reset her "opsecs" as you put it.

There are also countries where it's much harder to swat someone and where being swatted is more or less dangerous.

And, finally, if Keffals were to end up in the EU, she would be able to take advantage of GDPR and other privacy protections.

> I made my point regarding CF fairly clear.

Yes, you did. I highlighted it because it is ridiculous on its face. Cloudflare has become a major backbone of the web, and there is not a real 1:1 replacement for it.
It's a good point. I'm not sure if I ever internalized it completely.
For example, "You believe in design, and you're paying for it, but you are not getting your money's worth because of the gap between engineering and design," could be used in a compelling PowerPoint presentation for a C-level audience. I've definitely seen it.
It's comparable to a restaurant that pays people to find and buy sushi-grade fish because they believe in doing so, but it turns out that the cook is simply deep frying it without anyone seeing it. Shame.
The knowledge of and distribution of talent are out of sync.
That's a nice understandable summary. More often than not it's marred in gobbledygook that's not immediately clarifying.
The RTS game?
And it’s cheaper.
Yes all the automation related uprising over the past hundred years. Oh wait there weren't any. You live in a fantasy land.
No COTS drone that can carry a realistic payload is going to cost $1000. They'll cost $5000-$15000 so will still be 6x cheaper than a Tomahawk ^_^
> Wait. A whole class of ideas can only be expressed through poetry? Poetry is that fundamental to human communication?

Poetry can evoke emotion in a way other writing does not. Brevity, leverage.
Feel like sharing your cheat sheet? I've been using git for over a decade but I find that personal cheat sheets are still a valuable resource.
> There's a rather murky limit on freedom of speech,

I don't believe it's murky at all, but defined deliberately in fuzzy terms in a number of important ways, one of which is the avoidance of precipitation of criminality. Criminality defined as that which is harmful to society. Although it may sound weak, compared to the presumed unfettered principles invoked above, should one or other of a separating couple used Tornado Cash to rinse common property funds, something that isn't drug dealing or terrorism anyhow, nevertheless it's laundering and using a device to commit a crime without which device that crime may not be possible. Federal proceedings against Tornado Cash have given the unlawful enterprise unprecedented profile and it follows that the motivation for anyone who strives for continuance of the same or similar, in light of the reasons for federal action, could be construed as being potential criminal too. Frankly I am stunned in the era that recognizes hate speech, that the automatic right to unfiltered and inconsequential freedom of speech is claimed so crudely, so reflexively and on such narrow and unexplained grounds..
Given the centuries of (mostly) effective use of sailing ships, maybe wind power would be the better candidate here?
Please cite evidence that Apple is doing this for tiny random components on the board as opposed to more major components.
> Alas, the world doesn't operate based on the moral principles you imply, but cold hard realpolitik. Actions have consequences in the great power game between nation states.

If there's anything the Russian invasion of Ukraine isn't, it's realpolitik. Invading a country because "they aren't a real country and they should be ours" is as far as the cold practicality of realpolitik as possible. (Unless you choose to believe Russia's propaganda that it was all due to NATO's expansion, which even if true is even stupider - check Finland and Sweden which joined). Invading with the walking clown of an excuse of an army is also pretty far from practical considerations.

> The Russian economy is doing fine, business with India and China is thriving.

What are you basing this on? Have you checked their official interest rates, inflation rates (of course a bucket of salt is to be applied with those) and the warnings from the central bank governess? Not only is their economy not doing great, they are still yet to feel the effects of being cut off from industrial machinery and electronics they used to rely on. China and India can't replace all their planes, tractors, cars, trucks, phones, computers.

> "Massive losses to their army" I believe is far from accurate

Well thankfully people are actively working on this so we don't have to "believe" into anything. We have cold hard data from the ground in OSINT, compiled by volunteers such as Oryx. The fog of war is certainly obscuring things, but it's plainly obvious to see that Russian losses are massive in absolute and relative terms, in men and matériel. And the Russian army confirms that itself by the type of machines it fields (they've started reactivating obsolete tanks from the reserves) and it's desperate recruitment drives.
The original C64 case (thick, with rounded edges, same but for color as the VIC-20 case) was said to resemble a bread bin.

The other case variant is the Commodore 64C, which has a slimmer and more Amiga-like profile.
That's brilliant! Can't agree more!
I think what is making these companies move towards other options is their bottom line - if they don't have to spend on fuel, why should they? (By the way a lot of what I've seen for the generation so far is in stuff like power-generating "sails" which are really interesting, so maybe not even relying on land sources)
Show HN: A CC Wrapper for -finstrument-functions
Because it's even easier to embed sqlite, that's why. Docker is a big and heavy tool that has nonzero baggage. SQLite is a single .c/.h file.
Just a heads up, I've gotten blue screens with HAXM before, so watch out.
Adding network addressing to the GPU interconnect is kind of fascinating

Am I right in thinking the GPU-to-GPU communication is just shuttling chunks of data around for sharing inputs/outputs of computations? Or is there some other coordination going on between the GPUs directly with regards to the actual computations each is running? (Or is that still being managed wholly by the CPUs they're attached to?)
I was curious and did some math based on numbers plucked from the web.

A panamax cargo ship burns ~250 tons of bunker fuel a day and carries ~15k containers. Cruising speed is a little over 1000 km / day.

The energy density of bunker fuel is approx 12500 wh / kg. Lead-acid batteries hold 50 wh / kg while high-end li-ion cells hold 500 wh / kg.

By those numbers it sounds like you'd need approx 6000 tons of high-end lithium cells per day of operation - you can put 40 tons in a shipping container (much more and many ports will refuse to unload), so 150 containers of batteries per day of travel. A 5000km trip is going to use 5% of your cargo space for fuel (where previously it would be closer to 0.1%). That adds up to real money (you could have moved 750 containers at approx $5000 each, so you lost ~3.75 million, but the fuel would have only cost approx 0.3 to 1.5 million USD depending on where you fill up).

For short trips (sub 1000km) I suspect they'd probably use cheaper, less-energy-dense ni-mh batteries as they are safer and cost less than half as much for a comparable charge.
Ministry for the Future is a book chock full of optimistic can-do idealism. One of the ideas floated is container ships with (on-ship) wind and solar renewables that just move really really slow. Personally I think for many transportation needs that would be find.

And they start chopping up bug ships to make smaller more regional ones. Which jives with the analysis here. But given that bigger boats afaik almost always are more efficient moving through the water (short of hydrofoiled or wing-in-groumd craft), I didnt totally get this notion.
http://hyperphysics.phy-astr.gsu.edu/hbase/Solids/scbc2.html

AC doesn't directly induce resistance, no. But there's a shared budget of current and magnetic field, and if you blow the budget the wire becomes a normal conductor.
Do you know if a list of those exists?
Cost of maintenance and expected depletion as a function of vessel lifetime is most relevant, an ICE engine itself lasts for a very long time and marine engines have special maintenance features that allow you to repair and run them simultaneously.

It's also not entirely clear if these figures consider "utility power" which is a major function of any container ship that's going to haul refrigerated or frozen cargo.

The main engine is a major source of electrical power on board, but there are also usually several large electrical generators on board to satisfy the demand of these types of containers.