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Running Tesla Model 3's computer on my desk using parts from crashed cars

https://bugs.xdavidhu.me/tesla/2026/03/23/running-tesla-model-3s-computer-on-my-desk-using-parts-...
120•driesdep•1h ago•20 comments

ARC-AGI-3

https://arcprize.org/arc-agi/3
174•lairv•4h ago•122 comments

The EU still wants to scan your private messages and photos

https://fightchatcontrol.eu/?foo=bar
469•MrBruh•2h ago•145 comments

Earthquake scientists reveal how overplowing weakens soil at experimental farm

https://www.washington.edu/news/2026/03/19/earthquake-scientists-reveal-how-overplowing-weakens-s...
58•Brajeshwar•8h ago•21 comments

90% of Claude-linked output going to GitHub repos w <2 stars

https://www.claudescode.dev/?window=since_launch
100•louiereederson•4h ago•64 comments

My astrophotography in the movie Project Hail Mary

https://rpastro.square.site/s/stories/phm
639•wallflower•3d ago•173 comments

Apple randomly closes bug reports unless you "verify" the bug remains unfixed

https://lapcatsoftware.com/articles/2026/3/11.html
190•zdw•3h ago•98 comments

Supreme Court Sides with Cox in Copyright Fight over Pirated Music

https://www.nytimes.com/2026/03/25/us/politics/supreme-court-cox-music-copyright.html
229•oj2828•7h ago•215 comments

Quantization from the Ground Up

https://ngrok.com/blog/quantization
151•samwho•6h ago•29 comments

My DIY FPGA board can run Quake II

https://blog.mikhe.ch/quake2-on-fpga/part4.html
9•sznio•2d ago•3 comments

Ensu – Ente’s Local LLM app

https://ente.com/blog/ensu/
317•matthiaswh•9h ago•142 comments

Updates to GitHub Copilot interaction data usage policy

https://github.blog/news-insights/company-news/updates-to-github-copilot-interaction-data-usage-p...
171•prefork•3h ago•84 comments

China is mass-producing hypersonic missiles for $99,000

https://kdwalmsley.substack.com/p/on-sale-now-china-is-mass-producing
122•zdw•1h ago•69 comments

TurboQuant: Redefining AI efficiency with extreme compression

https://research.google/blog/turboquant-redefining-ai-efficiency-with-extreme-compression/
464•ray__•17h ago•128 comments

FreeCAD v1.1

https://blog.freecad.org/2026/03/25/freecad-version-1-1-released/
110•sho_hn•3h ago•28 comments

Sodium-ion EV battery breakthrough delivers 11-min charging and 450 km range

https://electrek.co/2026/03/25/sodium-ion-ev-battery-delivers-11-min-charging-450-km-range/
65•breve•2h ago•29 comments

Thoughts on slowing the fuck down

https://mariozechner.at/posts/2026-03-25-thoughts-on-slowing-the-fuck-down/
576•jdkoeck•8h ago•295 comments

Goodbye to Sora

https://twitter.com/soraofficialapp/status/2036532795984715896
1074•mikeocool•1d ago•793 comments

Health NZ staff told to stop using ChatGPT to write clinical notes

https://www.rnz.co.nz/news/national/590645/health-nz-staff-told-to-stop-using-chatgpt-to-write-cl...
41•billybuckwheat•1h ago•7 comments

Ball Pit

https://codepen.io/mrdoob_/full/NPRwLZd
103•memalign•3h ago•28 comments

Meta and YouTube found negligent in landmark social media addiction case

https://www.nytimes.com/2026/03/25/technology/social-media-trial-verdict.html
368•mrjaeger•5h ago•169 comments

Miscellanea: The War in Iran

https://acoup.blog/2026/03/25/miscellanea-the-war-in-iran/
346•decimalenough•18h ago•485 comments

VitruvianOS – Desktop Linux Inspired by the BeOS

https://v-os.dev
316•felixding•19h ago•194 comments

Antimatter has been transported for the first time

https://www.nature.com/articles/d41586-026-00950-w
308•leephillips•7h ago•151 comments

Tracy Kidder has died

https://www.nytimes.com/2026/03/25/books/tracy-kidder-dead.html
192•ghc•6h ago•50 comments

Looking at Unity made me understand the point of C++ coroutines

https://mropert.github.io/2026/03/20/unity_cpp_coroutines/
149•ingve•3d ago•123 comments

Flighty Airports

https://flighty.com/airports
516•skogstokig•22h ago•172 comments

Jury finds Meta liable in case over child sexual exploitation on its platforms

https://www.cnn.com/2026/03/24/tech/meta-new-mexico-trial-jury-deliberation
263•billfor•1d ago•423 comments

Slovenian officials blame Israeli firm Black Cube for trying to manipulate vote

https://www.wsj.com/world/europe/spies-lies-and-fake-investors-in-disguise-how-plotters-tried-to-...
505•cramsession•6h ago•219 comments

Show HN: I took back Video.js after 16 years and we rewrote it to be 88% smaller

https://videojs.org/blog/videojs-v10-beta-hello-world-again
608•Heff•1d ago•133 comments
Open in hackernews

China is mass-producing hypersonic missiles for $99,000

https://kdwalmsley.substack.com/p/on-sale-now-china-is-mass-producing
122•zdw•1h ago

Comments

srean•1h ago
What seems to be the problem with their S300 clones? Anyone knows ? Easy to jam I suppose.
DetroitThrow•1h ago
S300 is very good AA, but in practice modern SEAD with a sizeable number of planes can outrange them and they're not great at protecting themselves. We saw this in India-Pakistan and seeing this again in Iran-USA. You can see more of a stale mate when they aren't getting outranged in Ukraine-Russia.
srean•51m ago
I am talking about the Chinese clones, not the original (is there a difference ?).

As you mention they did not fare very well in the India-Pakistan conflict.

esseph•1h ago
Air defense works in layers where each layer often covers for another. S300 is good, but it's just one piece of a useful anti air defense strategy.
torginus•17m ago
There's no 'S-300' as such, there are sets of fire control, target acquisition and tracking radars, and various types of missiles, each of which can be upgraded, and mixed and matched to some degree, with some combinations being up to the S-300 standard or better.

The closest thing to a standardized variant is the one installed on ships.

It's a crazy variety of hardware out therem and one of the most dangerous things about SAMs, that a lot of the old Soviet missile stock is passively guided, so pairing a decades old missile sitting in storage with a state of the art radar makes it relevant even today.

code_biologist•1h ago
Chat, is this real? I've seen this guy pop up on youtube. I assume he's a Chinese state mouthpiece as he's a westerner in the mainland with a very pro-China spin (substack recommended the other posts below), but I'm curious how strong the factual basis for this reporting is.

China's factories are in another world - Mar 23, 2025

Chinese factories build fire trucks for under $400,000 in six weeks. In the US, it's $2 million in 4 years - Apr 19, 2025

Iran is blowing up $500 million radars. China's export bans mean they are gone forever. - Mar 16, 2026

DetroitThrow•1h ago
There's a few of these guys that make posts about technology that doesn't materialize after a few years, they can be ignored. There are plenty of pro-China observers that offer grounded analysis of Chinese military-industrial base out there that don't make claims that China has unobtainium technology. /r/LessCredibleDefence has a shortlist of these propagandists.
fooker•1h ago
Yeah it's certainly unimaginable that the civilization that invented gunpowder, cannons, guns, rockets a thousand years ago can make it for cheap now :)

'Hypersonic' missile makes it sound like it's alien technology, no it's solid boosters that do not follow the usual ballistic trajectory with a computer from 1970.

The raw materials cost less than half of a standard car.

esseph•58m ago
"no it's solid boosters that do not follow the usual ballistic trajectory"

Hypersonics do not. They are extremely fast and extremely low flying.

justin66•49m ago
I've only read a few short blurbs about this. What makes you think the booster doesn't follow a normal ballistic trajectory?
sgc•34m ago
That's pretty much the entire point of what people are calling hypersonic missiles. All ballistic missiles fly at hypersonic speeds. The advance is being able to do so at low altitude with maneuverability.
anon7000•1h ago
Good question. I think China is undoubtedly far better than the US at advanced, cheap mass-production. So wouldn’t be surprising they could do that for the military too. Not to say the US couldn’t get better.
rhubarbtree•1h ago
Better than the US at producing almost anything at this point. There are a few tiny islands of advantage left for the US in advanced engineering but they won’t last.

Prediction: China will win the new race to the moon for this very reason.

bamboozled•43m ago
This is basically what made the USA a military super power in the first place? At least it's what made them so powerful during WW2 and I guess beyond.
nclin_•1h ago
You don't have to assume: He seems to provide ample detailed western sources to back up his claims in every video.

Perhaps it'd be more difficult for him to broadcast if he had an anti-china perspective, but the content itself seems legitimate.

kube-system•1h ago
China does keep close tabs on foreign bloggers in their country (especially over the past decade or so), and anything remotely nonpositive does get people visits from police or worse. There is a huge chilling effect, even for people who mostly do have positive things to say.
magicalist•52m ago
> He seems to provide ample detailed western sources to back up his claims in every video

Does he? The only sources seem to be a CNSpaceflight tweet from last november of a promo animation from the missile company, and a South China Morning Post article that is just quoting commentators on Chinese state TV talking about the the possible capabilities of the missiles.

The other sources (someone else's substack that's sourced from a December article[1] from The Independent, and two articles on "interestingengineering") all just quote the same animation and commentators.

[1] https://www.the-independent.com/asia/china/china-hypersonic-...

creantum•1h ago
If they’re half as good as the robot I saw today in china slapping that kid id get a few
exabrial•1h ago
Real or not, this is probably the future. Lockheed execs want combat to be a distant exchange of multi-million dollar missiles. As shown in Ukraine, people actually fighting for their lives will wreck a $300million weapon with a slingshot.
jollyllama•46m ago
So, a return to cold-war style missile races, except there are actual slugfests from time to time because the nuclear threat no longer has gravity.
epistasis•42m ago
I think it's led to a huge advantage for defenders. Nuclear weapons favor attackers, or deterrence. But massive drone waves allow defense of large areas with a very small number of people. It's not a race to build bigger missiles that go longer distances and are harder to shoot down, it's largely a coordination, communication, logistics, and information management problem.
wahern•45m ago
Not hypersonic, but there are upstart defense companies building and selling these types of low-cost weapons. See, e.g., Anduril's $200,000 Barracuda: https://en.wikipedia.org/wiki/Barracuda-M

Big firms like Lockheed nominally have similar products in the pipeline. See, e.g., https://www.lockheedmartin.com/en-us/news/features/2025/cmmt... Though given how long they've been in development one wonders if they're slow walking these things until competition forces them to commit.

I don't really follow the defense industry, but I imagine building cheap missiles isn't that hard. Rather, the difficult and expensive aspect would likely be the systems integrations (targeting, tracking, C&C, etc), especially in a way that let's the military rapidly cycle in new weapons without having to upgrade everything else. OTOH, if and when that gets truly fleshed out, firms like Lockheed might start to lose their moat, so there's probably alot of incentive to drag their feet and limit integration flexibility, the same way social media companies abhor federated APIs and data mobility. And if integration is truly the difficult part, I'm not sure what to make of weapons like the YKJ-1000 or Barracuda. Without the integration are they really much better than $100 drones?

epistasis•45m ago
> wreck a $300million weapon with a slingshot.

I don't think "slingshot" is the right analogy here. There is a big change towards intelligent, small, and cheap drones. If it were just a slingshot, other countries could pick up what Ukraine is doing in no time, but they can't. Instead, there's an absolutely massive industry behind Ukraine's drone manufacturing, growing at 2x per year, which no other nation can currently match, including Russia.

The drone manufacturing has gone so exponential that they now have a shortage of drone operators. It's completely changed the war in the past few months, with Russia now losing ground, at basically zero additional Ukrainian casualties, and with Russia continuing to have massive ground casualties from sending poorly trained troops to die while hiding in a 30 mile wide kill zone ruled by drones.

The quantity of drones allows new tactics, reminiscent of rolling wave artillery. And deployment of a wide variety of types of drones has led to the depletion of Russian anti-air defense in both occupied Ukraine and in Russia itself, allowing the destruction of much of Russia's oil infrastructure. The recent Baltic port hit will be felt for a long long time, and nearly completely neutralizes the lifting of sanctions on Russia. All from novel weapons, which are decidedly more sophisticated than slingshots both in their construction and application. And the US is way behind, and too proud to let Ukraine share their knowledge and capabilities.

bigiain•30m ago
> I don't think "slingshot" is the right analogy here.

I think it's perfect - a very valid "David vs Goliath" reference.

epistasis•24m ago
Ah, I hadn't thought of that sort of slingshot! I was thinking more "primitive rock throwing."
zer00eyz•9m ago
There is also a cost aspect of it as well.

The long range drones that are being shot down are the "expensive products" of a military industrial complex.

The US solution to this problem is even more expensive.

For the cost the Ukraine's solution might as well be a rock: https://en.wikipedia.org/wiki/Sting_(drone)

larkost•8m ago
Note that it is wrong to think that David was at a disadvantage. I know that is not how the story is taught today, but slingshot troops of that age we the snipers of their age: very deadly (not at the range of a modern sniper, but...).

If the fight between them was started at some distance, the David should have been the expected winner by pretty much everyone on the field. Think "bright a club to a gun fight" sort of vibes.

zer00eyz•13m ago
You're talking about the hardware. That is critical.

But what's evolving even faster is the software. And in real world use cases.

They arent paying for tank models and people to run around and try to chase to "test". They are very literally doing it live, with live fire testing day in and day out.

Furthermore they are rewarding results on both ends. Successful operators get to buy gear for kills in an amazon like store (talk about gamification). And there are paths for "innovation" to make its way to the front quickly: see https://united24media.com/war-in-ukraine/how-a-ukrainian-gam... for an example.

wiseowise•10m ago
> If it were just a slingshot, other countries could pick up what Ukraine is doing in no time, but they can't. Instead, there's an absolutely massive industry behind Ukraine's drone manufacturing, growing at 2x per year, which no other nation can currently match, including Russia.

I'm all for good guys winning, but what are your sources? And why do you think Russia can't match Ukraine in this regard?

torginus•30m ago
Yeah, there's the Flamingo, Ukraine's cruise missile that uses old turbofan engines near the end of the service lives. But Ukrainians mentioned, that they're looking to mass produce low-cost engines using steel for their blades instead of exotic alloys, as used on most aircraft engines. Of course even advanced steel alloys cant survive the close to 1000C temps for long, but a cruise missile needs to fly for like 3-4 hours, not thousands. Probably a lot else can be simplified in the design, as turbofans are conceptually very simple, much simpler than ICE.
ranger_danger•1h ago
If they're that cheap they can probably afford to cry wolf with them. Get people used to seeing unarmed missles flown in to random places, where the possible damage doesn't justify trying to shoot them down, then suddenly start putting explosives onboard.
sailfast•1h ago
Do they hit their targets? Eventually with enough of them it’s not super important but… it does matter a bit.
Loughla•50m ago
According to the Google search I just did, an average American hypersonic missile costs between 13 and 41 million dollars.

So that is between 131 and 410 of these. At that rate, and with enough disdain for my enemy and apathy for their people, I can just launch a shit load of them in the right direction and cross my fingers.

serf•6m ago
the concept of 'The average hypersonic..' makes me laugh.

in actuality the concept of equating real life dollars to defense budgets makes me laugh, too. It's not really a money thing, it's a production thing; and even if it were to be considered as a money thing the values involved in no way reflect a real life value.

It's like the NASA hammer story/packard commission. They're not going to say no to a 435 dollar hammer versus a zillion dollar project, but it's not actually a 435 dollar hammer.. .

Similarly a 41 million dollar weapon only costs that much until a wartime powers clause forfeits your factory to state production..

FpUser•50m ago
>"Do they hit their targets?"

Are you sure you want to find out?

supermdguy•47m ago
> Nobody knows yet the true capabilities of the missile, but it doesn’t matter. The accuracy doesn’t matter very much, the payload doesn’t matter very much. If it’s launched at a certain target in Tel Aviv, it still is going to hit something in Tel Aviv. The Israelis have no choice but to attempt an intercept, and will spend millions to do so

Sounds like the massive price disparity more than makes up for any accuracy issues

irishcoffee•23m ago
Clearly accuracy does matter. I just tried to throw a rock from my back yard to Tel Aviv, I missed terribly.
0x4e•1h ago
Amazing! Yet another life destroying invention. What could go wrong?
ck2•55m ago
when China take Taiwan there's not a single thing the world is going to be able to do about it

they use thousands of fishing boats to practice blockades

they are building massive oil reserves and getting most of population into electric vehicles

let's just hope they wait to next decade and not like 2028

yogibear678142•44m ago
People thought the same on Iran, untouchable. China has the same air defense and tech as Iran, not effective in real world situations.

Blockades go both ways. China is energy dependant so very vulnerable to blockade response by the US and Japan. A few choke points make it easy, the ocean is not open ended.

epistasis•36m ago
Attacking and occupying a distant island in this age is getting more difficult, not easier. Look at the Black Sea, where Russia's remaining ships cower in fear in port, as they try to avoid super cheap marine drones. Massive missile attacks on a country can only do so much damage, and they harden the population against the aggressor.

If Taiwan has been paying attention, and I don't doubt they are in an age when it's becoming clear the US is a paper tiger that will never protect them, they are well prepared to handle a good chunk of their own defense, using the brain trust they have inside their nation. They have everything they need for their own defense now.

joe_mamba•55m ago
Damn, can you imagine how quickly Aliexpress orders are gonna arrive now?
FpUser•51m ago
>"A Chinese company is in production of a hypersonic missile, with a sticker price comparable to that of a luxury sedan"

Well they've perfected manufacturing at scale. I see no surprise here.

janalsncm•44m ago
This is what people should keep in mind when the statistic about US defense spending being higher than the next N nations combined or whatever it is now. If I buy a 30k Prius, and you spend 300k on a different car,

1) that doesn’t mean you can drive 10x as fast and

2) maybe you just bought an overpriced Prius, perhaps a gold plated one

This is a more general problem in politics, where the overall budget being allocated is reported rather than the practical result.

torginus•26m ago
Yeah, you often read stories on the internet about how the SR-71 could easily outrun the MIG-25, proving US technological superiority, but those don't really take into account that there was like a dozen made of the former, with titanium hulls and exotic engineering. While there were more than a thousand made of the cheap, steel hulled MIG 25
vsgherzi•16m ago
These don’t seem comparable to me. The sr 71 was never meant to be mass produced or to head to head against a mig. The sr71 didn’t even have any guns it’s a spy plane. The sr 71 accomplished its goal with flying colors and spotted nuclear test sites and information on the Cuban missle crisis.

The star fighter, or f15 or f22 would be more apt.

TLDR special purpose tool vs general fighter cannot be compared

nxm•2m ago
During the Cuban Missle Crisis it was the U2, not the sr-71
serf•11m ago
It's a false comparison.

How many MIG-25s flew over the borders of the United States mainland during the cold war?

Yes the MIG-25 was a cheaper and more practical plane, but that wasn't the MO of the sr71.

calgoo•25m ago
Or they bought a lambo, which is amazing, and goes really fast... but when you are out of gas, the Prius will keep going. :)
magicalist•41m ago
This is blogspam based on a tweet of the company's promo video[1] in November and some speculation by a guy on Chinese state TV[2]. As far as I can find there's no evidence since then that these have entered production, mass or otherwise. It was doubted at the time they could hit these costs in production, and there hasn't been any news since.

[1] https://xcancel.com/CNSpaceflight/status/1993158707056984359

[2] https://archive.is/VLO7U

indubioprorubik•39m ago
Pakistan invests in chinese air -defenses- gets steamrolled by india. Iran buys chinese air-defenses- gets steamrolled by Israel and the Us. Russia claimed the s400 was all the rage- and its going nowhere in ukraine. If propaganda claims where a currency, could you buy anything with all this?
andriy_koval•33m ago
air defense is much more complicated and difficult to build.

Iranian cheap drones/cruise missiles are efficient from another hand.

mpweiher•38m ago
I see your $99,000 missile and I raise you a $10 intercept.

Time for those laser-defenses to come up to speed.

torginus•22m ago
Lasers have very limited applications, they have an inherent line of sight limits, and even the most powerful ship mounted lasers that can do like 50kW, take a minute to boil a kettle of water away, more if you wrap it in tinfoil.

And a shot might cost $10, the laser itself cost $$$, fits only in a cargo container, and requires crazy amounts of juice.

Meanwhile a simple AA gun needs none of those things and can kill things just fine.

2OEH8eoCRo0•16m ago
Lasers will probably only be used for point defenses against drones which isn't useless but they aren't the cheap future panacea everyone seems to think.
beloch•35m ago
Whether these claims are real or not, they do illustrate one of the crazy things about technological progress. Capabilities that are difficult for states to develop eventually become something corporations can easily implement, and from there they become affordable for private citizens, first to buy, and then to DIY.

Two obvious and concerning corollaries are that state capabilities eventually become easy to obtain for non-state terrorist groups and, later on, unbalanced individuals. Consider what ISIS would have done with these, and then think about what the unabomber would have done.

I'd fully expect this particular company to face multiple hurdles in actually exporting any of these missiles. They might not be able to actually deliver at the quoted price-point. China might not permit it, due to the political blow-back. Israel and the U.S. obviously have an interest in making sure none of these missiles wind up in Iranian hands. The execs of this company are probably feeling a bit like a target has been painted on their heads right now.

However, controlling technology like this is ultimately a game of whack-a-mole. If this company fails, gets regulated, decapitated, sucked up by the Chinese military, etc., ten other companies will pop up all over the place that can produce the same thing or better, cheaper. There's also a supply chain of components behind this company that can now export critical parts to those building their own. We've simply reached (or are about to reach) the point where missiles of this sort can be made very cheaply.

Here's hoping missile defence gets better and cheaper fast.

fasterik•29m ago
Relevant philosophy paper: "The Vulnerable World Hypothesis" by Nick Bostrom [0].

In that paper, Bostrom floats the idea that it might be in humanity's best interest to have a strong global government with mass surveillance to prevent technological catastrophes. It's more of a thought experiment than a "we should definitely do this" kind of argument, but it's worth taking the idea seriously and thinking hard about what alternatives we have for maintaining global stability.

[0] https://nickbostrom.com/papers/vulnerable.pdf

Barrin92•21m ago
Cheap hypersonics don't threaten global stability, they threaten global hegemony. Which is really what I suspect irks most people afraid of them.

We've seen a shift towards cheap offensive capacity that gives middle powers or even smaller actors the capacity to hit hegemons where it hurts, very visible in Ukraine and the Middle East now. This leads to instability only temporarily until you end up in a new equilibrium where smaller players will have significantly more say and capacity to retaliate, effectively a MAD strategy on a budget for everyone.

denkmoon•8m ago
History would seem to show that hegemony is stability? Pax Romana etc
carabiner•28m ago
Previously: https://news.ycombinator.com/item?id=41305736

No idea why a story about a YC company was flagged.

londons_explore•17m ago
The future of almost all industries is smart software (costing billions to make, but infinitely copyable) and cheap hardware.
givemeethekeys•5m ago
Perhaps this will be a larger peace between hypersonic powers than the one we've had between nuclear powers.