jdyer9 (u/jdyer9) - Readit News

jdyer9 commented on Battery storage hits $65/MWh, a tipping point for solar electrek.co/2025/12/12/ba... · Posted by u/toomuchtodo

CyanLite2 · 17 days ago

Are they off by an order of magnitude or two?

A Tesla Powerwall2 retails for about $13k for 13kWh. No way the raw manufacturing costs are $65 for 77 of them.

jdyer9 · 17 days ago

So, in doing a bit of research from a link in one of the other comments, this is lcos, levelized cost of storage. I understand that to be roughly equivalent to the marginal cost of using it, including the capex divided over the unit volume. That same article uses $125/kwh as the capex, which is in line with your (and my) expectations of the cost to install.

$65/mwh works out to $0.065/kwh, so that makes sense. Effectively you can read this as "it costs $65/mwh to store and then consume electricity using these batteries"

jdyer9 commented on Nano Banana Pro blog.google/technology/ai... · Posted by u/meetpateltech

ukuina · a month ago

Congrats on the move to Google!

Please allow me to rant to someone who can actually do something about this.

Vertex AI has been a nightmare to simply sign up, link a credit card, and start using Claude Sonnet (now available on Vertex AI).

The sheer number of steps required for this (failed) user journey is dizzying:

* AI Studio, get API key

* AI Studio, link payment method: Auto-creates GCP property, which is nice

* Punts to GCP to actually create the payment method and link to GCP property

* Try to use API key in Claude Code; need to find model name

* Look around to find actual model name, discover it is only deployed on some regions, thankfully, the property was created on the correct region

* Specify the new endpoint and API key, Claude Code throws API permissions errors

* Search around Vertex and find two different places where the model must be provisioned for the account

* Need to fill out a form to get approval to use Claude models on GCP

* Try Claude Code again, fails with API quota errors

* Check Vertex to find out the default quota for Sonnet 4.5 is 0 TPM (why is this a reasonable default?)

* Apply for quota increase to 10k tokens/minute (seemingly requires manual review)

* Get rejection email with no reasoning

* Apply for quota increase to 1 token/minute

* Get rejection email with no reasoning

* Give up

Then I went to Anthropic's own site, here's what that user journey looks like:

* console.anthropic.com, get API key

* Link credit card

* Launch Claude Code, specify API key

* Success

I don't think this is even a preferential thing with Claude Code, since the API key is working happily in OpenCode as well.

jdyer9 · a month ago

Oh man, I've been playing with GCP's vertex AI endpoints, and this is so representative of my experience. It's actually bananas how difficult it is, even compared to other GCP endpoints

jdyer9 commented on Amazon’s Ring to partner with Flock techcrunch.com/2025/10/16... · Posted by u/gman83

nerdsniper · 2 months ago

Alternatively, the Reolink Doorbell cameras for anyone who doesn't want to be on the Unifi/Ubiquiti platform. Also I believe all these cameras provide a generic RTSP feed which can be consumed by any computer running Frigate[0], an open-source NVR/AI platform.

0: https://frigate.video

(Reolink, Unifi/Ubiquiti, and Frigate are all good solutions for anyone who is not interested in supporting the proliferation of a police-state)

jdyer9 · 2 months ago

If it matters to you, Reolink is a Chinese owned company. Not passing judgement one way or another, but if avoiding Unifi over the remote incident matters, I could see this factoring in as well.

jdyer9 commented on Ask HN: Who is hiring? (August 2025) · Posted by u/whoishiring

jdyer9 · 5 months ago

Kharon | Individual Contributor and Data Engineering Leadership Opportunities | REMOTE or HYBRID in London, Madrid and Denver | Full Time - https://kharon.com/careers

Kharon is on a mission to revolutionize the current global security landscape. When you look at any major global crisis event, we’re providing intelligence that’s at the heart of those circumstances. We connect the dots in a way that’s meaningful, and we're currently growing our Data Engineering vertical. Operating at the intersection of global security + international commerce Engineering team tackling massive open-source data at scale Stack: Python (Pandas, NumPy, FastAPI), SQL, Spark, Databricks, Neo4j, Elasticsearch, AWS, Docker, K8s Feel free to check out open roles at the link above.

jdyer9 commented on Ask HN: Who is hiring? (July 2025) · Posted by u/whoishiring

jdyer9 · 6 months ago

Kharon | Individual Contributor and Data Engineering Leadership Opportunities | HYBRID in London or Madrid or On-site in Denver, CO | Full Time

Kharon is on a mission to revolutionize the current global security landscape. When you look at any major global crisis event, we’re providing intelligence that’s at the heart of those circumstances. We connect the dots in a way that’s meaningful, and we're currently growing our Data Engineering vertical. Operating at the intersection of global security + international commerce Engineering team tackling massive open-source data at scale Stack: Python (Pandas, NumPy, FastAPI), SQL, Spark, Databricks, Neo4j, Elasticsearch, AWS, Docker, K8s

Apply here: https://kharon.com/careers

jdyer9 commented on My five-year experiment with UTC timestripe.com/magazine/b... · Posted by u/adamci

fastball · 7 months ago

Imo the best system would've been Celsius with double the precision, e.g. water freezing still at 0ºC but water boiling at 200ºC.

That way you have the "human livable" range kinda between 0-100, which feels very intuitive. Anything above 100ºC becomes effectively unlivable. It also means that it is much easier to distinguish between certain "zones". e.g. saying "70s" or "80s" is easier and more clear than with celsius where you typically are staying within a sliding 10º range from day-to-day.

jdyer9 · 7 months ago

This is exactly the system I would have designed!

jdyer9 commented on An end to all this prostate trouble? yarchive.net/blog/prostat... · Posted by u/bondarchuk

theptip · 8 months ago

> The theory here is largely mechanical

I’ve long felt that the reliance on population-statistics (RCT) rather than individual diagnosis highlights how little we really know about medicine.

A mechanic wouldn’t try to fix a car based on a checklist of symptoms interventions that work X% of the time across the population of cars; they would actually inspect the pieces and try to positively identify e.g. a worn/broken component. Of course, this is harder in the human body.

I’m hopeful that as diagnostics become cheaper and more democratized (eg you can now get an ultrasound to plug into your iPhone for ~$1k), we’ll be able to make “medicine 3.0” I.e. truly personalized medicine, available as standard rather than a luxury available to the 0.1%.

jdyer9 · 8 months ago

Nitpicking on the mechanic point, but this is pretty common, just not at the same level of detail as medicine. Certain brands, models, and parts are more likely to fail in certain ways, so if a model comes in with symptoms of a known, high frequency problem, many times that work will be done first rather than taking more of the car apart to inspect individual parts.

Certainly I didn't think there's huge bodies of work on those statistics the same way there is for medicine, but any car repair forum online will give you some sense of this

jdyer9 commented on North Korean IT workers have infiltrated the Fortune 500 yahoo.com/news/thousands-... · Posted by u/cwwc

iJohnDoe · 9 months ago

I don’t understand this. There are well qualified legitimate candidates desperate for a job. How are North Koreans getting these jobs instead?

https://news.ycombinator.com/item?id=43612448

jdyer9 · 9 months ago

Imagine that your reputation didn't matter, getting sued was out of the question, and there was no criminal liability: your job, backed by the government, is to be employed by as many tech firms for as long as you can, you'd probably work pretty hard on coming up with a reasonable but very good resume and work hard on how to interview well. Now, you're a professional interviewer and might conduct 10x-100x more interviews than your average dev, and have a network of people helping you optimize your cheating.

Given that background, I personally find it unsurprising that they're having success and AI tools are just making it that much easier

jdyer9 commented on The Pyrex Glass Controversy That Just Won't Die (2019) gizmodo.com/the-pyrex-gla... · Posted by u/Tomte

bmelton · 9 months ago

I went through this recently as I was buying housewares for my soon-to-be-moving-out daughter, and I was shocked to learn there's a pretty easy hack to knowing which Pyrex is which (at least for modern versions)

-- The good borosilicate glass is branded with uppercase "pyrex" -- The potentially bad soda glass is branded with lowercase "pyrex"

There are other clues too, like that the borosilicate ones aren't typically sold in the US, ergo typically aren't marked with imperial units, but if you're on the prowl for one or the other, upper/lower case is the surest giveaway

(unless there are some counterfeits I have not knowingly encountered)

jdyer9 · 9 months ago

For what it's worth, the article says the exact opposite

  Protip: Look for all-caps PYREX graphics which can either indicate that is vintage or that it’s from Europe, where a company called Arc International owns the Pyrex brand and still makes its cookware out of borosilicate.

jdyer9 commented on Waymos crash less than human drivers understandingai.org/p/hum... · Posted by u/rbanffy

riskassessment · 9 months ago

This is often repeated, yet despite the studies on speed differentials being dangerous I am still skeptical of the more specific claim that driving the speed limit specifically when others are speeding increases your risk of getting in an accident.

jdyer9 · 9 months ago

It's likely often repeated because if you try driving 55 in a 55mph zone where people are driving between 62-70, it'sterrifying, it feels like you're stopped. Whether the stat is true or not remains to be seen, but intuitively, it makes a lot of sense. Sure, your risk of rear ending someone at that point is probably negligible, but the odds of being rear ended? Hard to say