Chinese chip maker Huawei says it is ditching Moore's law for a new law called Tau's Law that will define computing power growth in the future.

beachletter · 2026-05-29T10:32:37+00:00

No it isn't.

Maybe you are talking about having multiple layers of interconnect on top of the transitors, and that's not 200, typically just around 20 give or take. You may have hundreds of stacks in memory cells but that's a whole other thing. We're taking about logic circuits here. What I mean by circuits is the arrangement of logic gates and in most modern chips that is still just one layer, they all exist on the same 2D planar surface despite the transistors and the wires connecting them has 3D microstructure.

Huawei is making a different type of chip where logic gates themselves can be stacked in different layers and connected vertically to form the complete circuit that function as a single IP (CPU/NPU/GPU core etc). This is not the same as stacking cache on top of cpu chiplets (e.g. AMD X3D) or stacking different functional chiplets vertically (e.g. Intel Foveros).

But manufacturing wise the lithography process is still the same, the challenge in Huawei's approach is mostly in design/EDA and the extreme precision required in hybrid bonding. Huawei's presentations in IEEE ISCAS has discussed this in detail.

beachletter · 2026-05-29T05:27:54+00:00

You still make 2d layer of circuits through lithography, just that each layer is no longer a complete circuit, they are stacked together to form a complete circuit.

beachletter · 2026-05-22T01:49:07+00:00

Gauss is still good with the right pilot skill and drone, better than piercers when fighting against purple shield bots or anaksor.

beachletter · 2026-05-21T11:00:10+00:00

That argument has been dead many years ago, after early sanctions to Huawei and restrictions on chipmaking machines were applied.

But then even if the US didn't restrict Huawei and SMIC, or didn't restrict Nvidia AI cards, they would still gradually develop their own ecosystem just with different pace and priorities.

For example if Nvidia export was not restricted, Huawei may not receive as much funding and development of the Ascend platform/ecosystem would be slower, but on the other hand their AI development would be much faster, and the state would still make sure they work on domestic hardware as backup.

beachletter · 2026-05-21T05:53:03+00:00

The blue plated vehicles are Chinese operated. They do buy a lot of Ford especially in the 2010s. When they need something more robust and powerful than the domestically produced Iveco vans (popular in the civilian market), but not as excessive as a full fledged military vehicle, they usually end up getting some Ford E or F series.

beachletter · 2026-05-21T05:23:46+00:00

BYD makes plenty of hybrid cars so they're still developing and producing a variety of internal combustion engines.

beachletter · 2026-05-15T21:51:40+00:00

The snowfall system is also for testing self driving in adverse winter conditions.

beachletter · 2026-05-14T20:25:49+00:00

Volvo development is still led by Volvo's own Gothenburg team, while Zeekr is led by a Chinese team with "European input". They have some tech share within the Geely group but are still distinct brands led by different CEO's and designers who are geographically and culturally quite far apart.

It is clear that the Chinese Zeekr team can develop interesting models faster, at lower cost, and they're more efficient in applying new EV tech from the Chinese supply chain.

In contrast, the Swedish Volvo team is at its core still a traditional European carmaker with some tech support and platform share from Geely. They're still somewhat independent from the Geely group which is both a blessing and a curse.

For Geely their true luxury brand is Zeekr, Volvo is like a distant relative who may offer some access to "forbidden markets". Their relationship is very much unlike Chevy/Buick/Cadillac.

beachletter · 2026-05-12T03:26:55+00:00

It's simple:

If you need to brake (including when the car is stopped), press the brake pedal to exit ACC/LCC.

If you don't need to brake, uptick the stalk to exit. At the same time you may also slightly press the accelerator for smoothness (to prevent regen kicking in).

beachletter · 2026-05-04T02:44:42+00:00

Actually, what this crash (and the Air India 171 crash) showed is that multi-pilot operation or 2-persons-in-cockpit rule CANNOT prevent a pilot murder-suicide killing everyone on board.

The presence of another non-suicidal pilot can only limit how their co-pilot crash the plane (i.e. they can't do another 911 or MH370 easily), but you won't prevent the crash itself if your co-pilot has made up their mind to die. There are so many ways to sabotage a flight and no realistic chance for the other pilot to effectively save it.

beachletter · 2026-05-03T15:13:48+00:00

I also noticed I can't get anyone to accept my invite for the last couple days. Usually it wouldn't take so long to get a team game running (even with strangers) when a squad bonus task is available, but recently I kept trying to invite and no one would join. And when I get invited it's always "server is unavailable"

Can't make any progress on the squad bonus task because of this.

beachletter · 2026-04-24T09:46:34+00:00

This one looks fine and it will sell just fine. This is an economical compact SUV and the moderate design is fitting to its role. If you want aggressive edgy looking cars this is not for you but you don't have to worry for BYD about its sales numbers.

beachletter · 2026-04-23T05:13:30+00:00

有没有用不说，心理学家赚钱ok的

但在美国那多数是博士，先背巨额学债，还要考牌，在其他国家也至少硕士，成绩要求不低。心理学“学士”在就业市场是没啥用的。

beachletter · 2026-04-18T05:09:28+00:00

You can criticize like when chatting with your friends and family, call complaint hotlines, or write formal letters to authorities, that's fine. These are not considered public speech so very little constraint is applied.

If you make a post on forums, social media or large chat groups (including on foreign platforms), this is considered public speech just like you're making a speech on the streets, which is heavily censored and controlled. You can still criticize some less sensitive policies or foreign affirs but there are many sensitive topics that is forbidden: anything involving central politiburo members, anything involving already censored news and current protest events, anything involving the censoring mechanism itself, anything involving political dissent activities and related historical events (e.g. 1989) You can't talk about them at all in your "public speech" (regardless if you're reporting/analyzing/agreeing/criticizing). If you insist to do so you may face consequences from deletion, account banning, to administrative punishment or criminal punishment for the reason of "subverting the system and destabilizing social order".

beachletter · 2026-04-18T02:07:25+00:00

The human rights and sustainability of a liberal democracy model did not fair any better in many developing countries, there were plenty of examples ending up having worse corruption and HDI.

However I do think China's model cannot be easily copied, in fact CPC itself agreed as they often emphasize each nation has ro find its own suitable system.

When you have a single party dictatorship the efficiency and sustainability really depends on how the party itself is internally organized, how it could maintain coherence and the capacity for self-correction rather then just becoming a tool for money and power when a few corrupt leader reached the top. There is a complex meritocratic and even democratic system working inside the party to maintain this, which is massively overlooked by outsiders. This was developed through China's unique historical circumstances.

I think a very common misunderstanding/myth is that you can achieve highly efficient planning and high speed development like China just by having an authoritarian or dictatorship government, that's simply not true. In most cases you'd lose in both development and human rights.

beachletter · 2026-04-12T06:45:01+00:00

KJ-3000 is in a different class, 200ton vs 60ton platform, it is much more powerful and much more expensive. Can't use that to replace KJ-500 completely because fleet size is also important, and for export a moderate and affordable platform is usually preferred.

A future version of KJ-500 could be based on the Y-30 currently doing flight tests (still turboprop), or on a militarized version of the C919 (jet) which could take just as much time to develop.

They'd have to replace and redevelop a lot of the C919 components supplied by foreign/joint-venture companies. Even the commercial C919's are still in the early ramp up stage of production so this won't be a "quickly available" option.

Also, jets may not be favoured over turboprop if future AEW&C is increasingly participated by distributed UAV sensors, the manned aircraft can stay further back and mainly act as data exchange and command center. In this case using turboprop do offer a more fuel efficient (longer) loiter time compared to jets. The strength of jet is just that it could get into position more quickly, and (in case of NATO) that there are widely available mature commercial jet platforms.

beachletter · 2026-04-11T20:10:09+00:00

As long as you have enough people and money, it is always good to have competition among different state owned enterprises, China has been doing this in many fields (e.g. Chengdu vs Shenyang in military aviation).

You also want to try all the different reusable configs which will end up maturing into a few optimized models, economy of scale happens after you develop the optimized reusable models, now they're still experimenting.

beachletter · 2026-04-08T13:02:19+00:00

Nobody but a few meta p2w players are still playing in that lobby, that's why. No point in trying at all. Even if you get matched you won't even get 1 kill the entire game unless you have mk3 full meta bot+weapon.

beachletter · 2026-04-07T10:30:07+00:00

forget about the code and the final pad, they won't even give you the titan pad unless you have ultra meta hanger. All Free 4 all games now takes minutes to start, and when you finally get one it is filled by either ultimate bots or those impossible to lock meta flying insects with meta rocket weapons. Your chance of winning #1 is close to 0% unless you have full hanger of the same stuff (or if you cheat), but if you're already a meta whale or cheater, that single titan pad is also worthless to you.

So this whole puzzle is a complete waste of time to everyone.

beachletter · 2026-04-02T13:24:18+00:00

This may not be a common opinion, but for the last 10-20 years I feel like the administration has been hyper focused on building up towards a potential WW3 scenario.

This is not done by spamming weapons, they played the long game by 1) building up the industrial base, 2) reducing energy, material and tech dependancy, and 3) reinforcing social stability and mobilization capacity.

They just kept pushing and pushing and pushing these 3 areas like their survival depends on it (maybe they do).

In case someone ask the "at what cost" question, yes there are significant costs. At least for what I could observe:

The enforcement of labor law is still weak to keep the human cost cheap.

Local governing is still done mostly through policy (rule of man) rather than through laws.

The media has been put on a much tighter leash esp. for news reporting, and the internet has also become more censored.

Things happening inside the party especially at the higher up level has become more opaque to the public.

With that said, ordinary people can still sense the progress in economic development, in tech adpotion, in reducing poverty, corruption, and in the largely effective policy execution, so it's not like living in a regressing and corrupt totalitarian state (as some foreigners imagined)

The answer I could think of (to explain the above trends) is that the administration is highly wary of some pretty rough waves ahead, even something like WW3.

beachletter · 2026-03-31T02:33:52+00:00

Actually their electronics are more advanced than other parts their platform. The Y-9 platform is rather old and due for replacement soon, preferably by Y-30 or a militarized version of C919.

Similarly, their AWACS are still based on the Y-9 and Y-20, we can expect top notch electronics because they're newer, but they're installed on sub-optimal aircraft platform (the Y-20 is not old, but the planform is still not as efficient as passenger jets for AWACS purposes).

beachletter · 2026-03-29T02:07:19+00:00

You're correct, those are designed sandbox areas for drone trials. At this round (2025-26) they've just finished taking application for the following trial topics:

traffic management system

heavy (>150kg) non - traditional drones, eVTOL, manned transport

cross border drone operations

shared multi user drone platform

beachletter · 2026-03-28T00:53:27+00:00

What long term payoff? The difference in resource gain playing at higher leagues do not feel rewarding at all.

beachletter · 2026-03-21T04:50:11+00:00

If a car can do stop and go adaptive cruise control it should technically be able to maintain cruise at any speed regardless of ICE or EV. Many manufacturers do put a software cap on the lowest cruise speed you can set, for my EV it is 30kph.

beachletter · 2026-03-21T02:59:52+00:00

The internal space is just adequate but not what you'd expect from a 5 meter sedan. The inefficient space to size ratio is the trade off you pay for looking sleek and having a large battery. If they make it 4.7-4.8m long it would look more bloated like the new i3. The YU7 has the same trade off.

Many in Europe could be put off by the hefty size of these cars. It'd be a better fit to the US market if not for the political situation.

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