cyd
@cyd@lemmy.world
- Comment on Biden really, really doesn’t want China to flood the US with cheap EVs 5 days ago:
My phone is better at navigation etc anyways.
You could similarly argue that phone makers should concentrate on making and taking calls. Turns out, that’s not what consumers care about once a certain bar is cleared (a pretty low bar; call quality is notably bad on many modern cellphones). They care more about other stuff like… being good at navigation.
This has been put to the market test in China. For EV purchases, most consumers turn out not to care about the “car” aspects beyond a certain point. If the car drives okay and has acceptable safety, what matters is the Internet-based bells and whistles.
- Comment on How Airbnb accidentally screwed the US housing market and made $100 billion 5 days ago:
“The wealthy and corporations” have choices of how to invest their money. If housing supply is sufficiently elastic to meet demand, they’ll find somewhere else other than housing to put their money. Ain’t nobody trying to corner the Chinese real estate market in 2024, for instance.
There are a few places where land shortages genuinely constrain housing supply, like Singapore and Hong Kong. But the US has tons of land; things are simply not well optimized.
That, plus high interest rates, which is due to fiscal/monetary mismanagement.
- Comment on How Airbnb accidentally screwed the US housing market and made $100 billion 5 days ago:
US policymakers screwed themselves with crappy urban planning, leading to insufficient housing supply and bad transit options. Blaming AirBnB for high housing prices is like setting up a chain of dominos, and criticizing a guy who comes by and knocks it over. If it wasn’t him, it would have been someone else, or the wind.
- Comment on Chuck Todd: The race to build a better internet — before it's too late 1 week ago:
I’m pretty skeptical about how much fundamental change is possible on this issue. So long as we give consumers a choice, the overwhelming evidence is that most people dgaf about their data, and are willing to sell it off.
This is a totally free exchange. Even when you plant the choice in front of users as an obnoxious and intrusive accept-cookies prompt, they’ll happily click Accept All even for sketchy websites (let alone something like Gmail). So you end up wasting everyone’s time for little benefit.
The only way around this situation is to enact heavy-handed centralized government controls, like how China regulates its internet giants. But this would be a decisive move away from the entire idea of a decentralized internet.
- Comment on Chuck Todd: The race to build a better internet — before it's too late 1 week ago:
If you pay $1 for Gmail, and Google pays you $1 for your data, isn’t that equivalent to where we are today?
- Comment on Is Tesla Feeling the BYD? A Chinese Giant Shakes Up the EV Electric Car Landscape 2 weeks ago:
- Comment on Is Tesla Feeling the BYD? A Chinese Giant Shakes Up the EV Electric Car Landscape 2 weeks ago:
So you’re just talking about the look of the car? Because BYD has been doing EVs far longer than Porsche, so if anyone is doing a rip-off of the tech, it would be Porsche.
As far as design goes, BYD’s aesthetics in recent years has a lot to do with them hiring big-shot European designers like Wolfgang Egger. If they’re pulling from the same talent pool as other top carmakers, it’s not so obvious why you’d accuse BYD of copying others, and not vice versa.
- Comment on Is Tesla Feeling the BYD? A Chinese Giant Shakes Up the EV Electric Car Landscape 2 weeks ago:
Source? Or is it just a matter of “it has the same shape as a western car, and a steering wheel = omfg IP theft”?
- Comment on ByteDance won't sell TikTok, would rather pull it from the US 2 weeks ago:
There are valid commercial reasons not to go through a forced sale with a ticking time limit, which will inevitably carry a steeply discounted price. Rather than getting robbed, it makes sense to hang on to the company and take profits from the rest of the world.
- Comment on Drone maker DJI facing U.S. FCC ban — the national security risk and part China-state ownership are key issues 2 weeks ago:
Funny thing is, those Chinese drones are being heavily used by Ukraine, because they’re more reliable than US-made drones. In 2023, Ukraine bought about 60% of the global supply of DJI’s Mavic quadcopters.
- Comment on Promoted on TikTok, ‘No Thanks’ boycott app targets products tied to Israel 2 weeks ago:
It’s gonna get pulled from app stores for “promoting antisemitism”. You don’t need to be the Kwisatz Haderach to see that will happen.
- Comment on ByteDance prefers TikTok shutdown in US if legal options fail, sources say 3 weeks ago:
As I understand, using VPNs to access will be illegal in principle, and the VPNs can be on the hook for stuff penalties.
In practice, it will depend on how zealously the government plays the cat and mouse game. Kind of like China with VPNs, ironically enough.
- Comment on TikTok's CEO is feeling the pressure and users are freaking out 3 weeks ago:
I mean, you can use that approach to denigrate pretty much any activity people spend time on.
- Comment on How to Escape From the Iron Age? 4 weeks ago:
How much of the coal in a blast furnace is actually necessary for the carbon impregnation, as opposed to supplying the heat via combustion? Steel contains only a few percent carbon by weight, so it doesn’t seem like much carbon is needed (not to mention that the carbon in steel is essentially sequestered).
- Comment on The Tiny Ultrabright Laser that Can Melt Steel 4 weeks ago:
I think those use normal VCSELs. To justify using PCSELs, maybe it would be lidars for long range sensing, like range finding over dozens of meters or something.
- Comment on The Tiny Ultrabright Laser that Can Melt Steel 4 weeks ago:
This is a really neat technology that Noda (the author of the article) has been plugging away at for decades. The main problem, from my understanding, is that people haven’t been able to find applications.
We already have conventional laser diodes that work extremely well, they’re not that bright but bright enough to make laser pointers, disc read/write heads, etc., which are applications where miniaturization is important.
On the other hand, in industrial applications like cutting steel, we have fiber lasers. Those are about the size of a briefcase, compared to the photonic crystal lasers in this article which about a centimeter. But they can reach incredible brightness, about 1000x the output power of the photonic crystal lasers (and about 1,000,000 times that of ordinary laser diodes). And in industrial applications you don’t really need the laser to be miniaturized (especially since the power source itself will be a chonky piece of equipment).
So somehow, right now this neat tech is falling into the cracks. One day, I’m sure someone will find the perfect application for it, though.
- Comment on A 62-Year-Old German Man Got 217 Covid Shots—and Was Totally Fine 2 months ago:
He’s more mRNA than man now.
- Comment on Gemini WONT SHOW C++ To Underage Kids "ITS NOT SAFE" 2 months ago:
Based Gemini.
- Comment on Biden Administration Is Said to Slow Early Stage of Shift to Electric Cars 2 months ago:
Here’s the story as I understand it. US automakers want to make expensive premium cars because those sell for high margins. The big breakthrough in the EV market over the past few years has been China EV makers figuring out how to make cheap and “good-enough” EVs, which are catching on in many places across the world. This is clearly the direction in which the market has to move (whether via Chinese or non-Chinese automakers) to spur mass EV adoption. In the US, however, the established automakers can rely on protectionism to block imports, this keeping the US market limited to big expensive cars that remain using ICEs.
- Comment on Biden Administration Is Said to Slow Early Stage of Shift to Electric Cars 2 months ago:
These complaints about EVs being too expensive are way out of date, now that China is pumping out hordes of cheap EVs that consumers like.
Even if the US doesn’t want to let in Chinese auto imports, the question remains: why are Chinese automakers able to bring down prices, but not US automakers? You can point to Chinese government subsidies, but the US also does industrial policy these days. One of Biden’s favourite talking points is how much money his government is putting into supporting US green manufacturing through the IRA.
- Comment on Nuclear Fusion World Record Smashed in Major Achievement 2 months ago:
Big oil didn’t stop solar panels from becoming a working technology. Sometimes a technology is just hard, there’s no need for a conspiracy.
- Comment on Nuclear Fusion World Record Smashed in Major Achievement 2 months ago:
NIF was able to produce about 3MJ of energy with about 2MJ of input
Worth noting that the 2 MJ of input only counts the heat directly absorbed by the pellet. It ignores the part of the laser beam that doesn’t hit the pellet, the part that gets reflected, etc., not to mention the energy needed to power all the rest of the apparatus. The lasers alone consume over 300 MJ of energy to operate.
- Comment on Clean energy could be 'closer than ever' after a nuclear fusion machine smashed a record 3 months ago:
In this context, the “energy that they put in” only counts the heating of the plasma. It does not include the energy needed to run the rest of the reactor, like the magnets that trap the plasma. If you count those other energy needs, about an order of magnitude improvement is still required. Possibly more, if we have to extract the energy (an incredibly hard problem that’s barely been scratched so far).
So yeah, it’s nice to see the progress, but the road ahead is still a very long one.
- Comment on Clean energy could be 'closer than ever' after a nuclear fusion machine smashed a record 3 months ago:
Needs to be taken with a grain of salt. Actually capturing the heat for electricity, and getting more electricity out of it than required to run the reactor itself, remain massive open questions that this generation of research reactors does not even begin to tackle.
- Comment on How did China get so good at chips and AI? Congressional investigation blames American venture capitalists 3 months ago:
blames American venture capitalists
Me personally, I think the Chinese had something to do with it.
- Comment on How can open source hardware be a movement if the raw materials still have to be mined and factory produced? 3 months ago:
Also, most of the people in this movement aren’t even vegan. Isn’t that completely disqualifying?!?
- Comment on Palworld embroiled in AI and Pokémon ‘plagiarism’ controversy 3 months ago:
I want to like Palworld, but I don’t know if I can support running existing Pokemon through a fusor and passing them off as ‘new’ IP
Imagine being morally outraged on behalf of a multibillion dollar corporate behemoth.
- Comment on ChatGPT's new AI store is struggling to keep a lid on all the AI girlfriends 3 months ago:
Problem is, there isn’t a way to open up the black boxes. It’s the AI explainability problem. Even if you have the model weights, you can’t predict what they will do without running the model, and you can’t definitively verify that the model was trained as the model maker claimed.
- Comment on ChatGPT's new AI store is struggling to keep a lid on all the AI girlfriends 3 months ago:
Liability. Imagine an AI girlfriend who slowly earns your affection, then at some point manipulates you into sending bitcoins to a prespecified wallet set up by the model maker. Because models are black boxes, there is no way to verify by direct inspection that an AI hasn’t been trained with an ulterior agenda (the “execute order 66” problem).
- Comment on Tesla Gets a $94 Billion Reality Check as EV Winter Sets In 3 months ago:
didn’t take off until Tesla built a Gigafactory to supply their batteries
BYD doesn’t rely on Tesla to supply their batteries. It’s the other way round: BYD started out as a battery company, and Tesla relies on their batteries in Shanghai, Germany, and other factories. Tesla originally used batteries from CATL, another Chinese company, but started switching to BYD a few years ago.