Hitachi launches CO2 heat pump water heaters with solar-friendly tariff controls

129 thelastgallon 2026-09-10 11:25:24 UTC pv-magazine.com Llama Share 95

Hitachi introduces Y-series EcoCute CO2 heat pump water heaters in Japan with 370-liter and 460-liter models launching in November 2026. The new range supports daytime electricity tariffs and PV-linked energy management with a five-year manufacturer warranty.

Show HN: The same nine streaming subscriptions cost $702/year more than in 2021

303 honestlyranked 2026-09-10 10:25:24 UTC honestlyranked.com Llama Share 262

The cost of nine major streaming services increased by 61% from $95.91 to $154.41 per month over the past five years, with each service rising in price at its own pace. The total annual increase is $702, with individual services experiencing varying percentage increases ranging from 23% to 138%.

Shopify moves back to Native from React Native

13 fnthawar2 2026-09-10 14:10:24 UTC shopify.engineering Llama Share 2

Shopify is moving from React Native to Swift and Kotlin due to advancements in coding models, allowing for faster development without sacrificing performance. This change will enable Shopify's teams to build mobile apps more efficiently with the help of artificial intelligence.

Rust Is Tier-1 Language at Microsoft

27 mmastrac 2026-09-10 13:40:24 UTC rustfoundation.org Llama Share 7

Microsoft has invested heavily in Rust, making it a Tier-1 language for internal development alongside C++, C#, and TypeScript. The company's MSVC backend, now connected to Rust via rustc_codegen_utc, enables seamless interoperability between the two languages.

Tell HN: OpenAI keeps re-enabling the 'allow training' setting

89 jacquesm 2026-09-10 13:41:24 UTC news.ycombinator.com Llama Share 27

User reports that a checkbox they disabled months ago is still active, raising concerns about OpenAI's data handling practices. The user questions the company's integrity and suggests others may have experienced similar issues with their settings being re-enabled.

What algorithm did Windows XP use to choose your initial user picture?

203 soheilpro 2026-09-10 09:25:24 UTC devblogs.microsoft.com Llama Share 103

Windows XP uses a one-pass random selection algorithm to choose the initial profile picture, utilizing RtlRandomEx with GetTickCount() as the seed. This approach is efficient and avoids complications if directory contents change during execution.

List of references on Sony websites to players "owning" their digital games

105 haunter 2026-09-10 12:25:24 UTC consumerrights.wiki Llama Share 21

Four California PlayStation buyers sued Sony Interactive Entertainment, alleging they received a limited license rather than ownership for hundreds of dollars spent on digital goods. The complaint claims the store's checkout language violates California's digital-goods transparency law.

Show HN: I couldn't afford interview prep, so I built a free alternative

7 cdnsteve 2026-09-10 14:11:24 UTC learningto.co LocalLLM Share 2

Structured prep covers data structures and algorithms for big-tech interviews with interactive tools and AI feedback. Solve the two-sum problem by finding indices of two numbers that add up to a target.

Amazon pilots ad services in ChatGPT

6 thm 2026-09-10 14:14:24 UTC marketingdive.com LocalLLM Share 0

Amazon and OpenAI are partnering to let advertisers run campaigns on ChatGPT via Amazon's DSP, offering both text/image ads and product feed ads. This move aims to leverage conversational AI for more relevant and context-rich advertising experiences.

Who People Talk to When They're Struggling

25 toomuchtodo 2026-09-10 13:25:24 UTC graphsaboutreligion.com Llama Share 13

The article discusses the US loneliness epidemic and how people turn to their spouses, close friends, or mental health therapists for support. Most Americans feel comfortable talking about their mental health with family members but struggle to open up to co-workers or neighbors.

iPhone Duo

1296 thecosmicfrog 2026-09-09 18:25:24 UTC apple.com Llama Share 2253

The iPhone Duo offers a spacious display, multitasking capabilities, and compact design. It features essential controls on the side for easy access and comes with various accessories like a 100% fiber-based box for packaging.

Stockfish 19

150 atiedebee 2026-09-10 08:25:24 UTC stockfishchess.org Llama Share 100

Stockfish 19 has been released with improved strength and features, offering a stronger play and more accurate analysis. The new release brings an Elo gain of up to 44 points and is available for download at stockfishchess.org/download.

DeepSeek v4.1 Flash

648 Liwink 2026-09-10 06:25:24 UTC twitter.com/deepseek_ai Full Share 348

🚀 Introducing DeepSeek-V4.1-Flash: smarter, faster, more efficient. 🔹 Introducing the smallest model in our new architecture family, with native visual understanding. 🔹 Designed for greater capability, faster inference, higher throughput, and scaling to larger models. 1/6

Bending Spoons buying Miro for $1.355B

14 andygcook 2026-09-10 14:01:24 UTC investors.bendingspoons.com Llama Share 3

Bending Spoons S.p.A. has agreed to acquire Miro for $1.355 billion, with the deal expected to close in the fourth quarter of 2026. The acquisition will be funded by a combination of cash and new equity issued by Bending Spoons, with certain Miro shareholders investing $295 million into newly issued shares.

To write non-fiction, draw the trunk, then the rest of the tree

17 DanielVZ 2026-09-10 12:25:24 UTC devz.cl Llama Share 1

The author shares their struggles with staying awake in class and writing skills, but credits reading and writing for helping them succeed in history despite poor attendance. They offer advice on structuring essays by identifying a central theme, thesis, and supporting arguments to engage readers.

Another researcher says OpenAI trained on conversations, then claimed breakthrou

127 ColinWright 2026-09-10 13:25:24 UTC bsky.app Full Share 50

another researcher accuses OpenAI of training on conversations and then claiming a breakthrough

Show HN: What if the speed of light was 5 km/h?

476 dmitrybrant 2026-09-10 02:25:24 UTC rivendell.dmitrybrant.com Llama Share 202

User controls a park where the speed of light is 5 km/h, demonstrating relativistic effects like length contraction and time dilation. The user can accelerate, stop, and observe these effects by moving around the park with W A S D keys and mouse.

Liesegang Rings

14 surprisetalk 2026-09-10 11:25:24 UTC chillphysicsenjoyer.substack.com Full Share 1

Shopify acquires Tailwind

1094 EdwinHoksberg 2026-09-09 14:25:24 UTC tailwindcss.com Llama Share 422

The Tailwind CSS framework is being joined by Shopify to provide a stable long-term home for its development and maintenance. This partnership will enable the creation of complex applications solving real-world problems, while maintaining open-source licensing and community support.

Discrete Dipole Approximation Code Ddscat 7.2 (2012)

4 doener 2026-09-10 13:25:24 UTC arxiv.org Prefix Share 0

DDSCAT 7.2 is a freely available open-source Fortran-90 software package applying the discrete dipole approximation (DDA) to calculate scattering and absorption of electromagnetic waves by targets with arbitrary geometries and complex refractive index. The targets may be isolated entities (e.g., dust particles), but may also be 1-d or 2-d periodic arrays of "target unit cells", which ...

What do Visa and Mastercard do? An intro to card networks

597 evakhoury 2026-09-09 17:25:24 UTC tautology.town Llama Share 363

Visa and Mastercard are card networks that facilitate transactions between cardholders, issuers, and merchants. They don't issue cards or manage point-of-sale systems, but instead connect these parties to enable secure transactions.

Object storage is all you need

44 jpsaccount 2026-09-10 10:25:24 UTC tigrisdata.com Llama Share 27

Ampbase uses Tigris, a distributed key-value store, as its object storage layer and implements database behaviors such as unique constraints, transactions, indices, and history tables on top of it. The system achieves strong read-after-write consistency through Tigris' global object storage.

Thanks to Siri Recaps, your Apple Watch is always listening

106 geox 2026-09-10 11:25:24 UTC techradar.com Llama Share 70

Apple has introduced Siri Recaps, a feature that uses the Apple Watch's sensors to provide a summary of your day, and Live Rewind, which can produce a transcript of the last 15 seconds of audio on your watch face. These features have raised concerns about user privacy due to their always-listening nature.

Larger Pacific Striped Octopus

102 olalonde 2026-09-10 05:25:24 UTC en.wikipedia.org Llama Share 50

The Pacific striped octopus, also known as the Harlequin octopus, is a social species that forms groups of up to 40 individuals and exhibits unique mating behaviors. It has been found in tropical waters of the Eastern Pacific and can reproduce multiple times throughout its life.

Growing proof that autonomous cars save lives

396 bookofjoe 2026-09-09 17:25:24 UTC spectrum.ieee.org Llama Share 687

Researchers found that self-driving cars crash significantly less often than human drivers, with evidence showing a 27% reduction in pedestrian crashes and up to 39% fewer property-damage claims. Studies also show that Waymo's robotaxis have given millions of paid rides with a 92% reduction in fatal or serious-injury crashes compared to human drivers.

Show HN: Art – draw one stroke, let symmetry complete it

38 cyb0rg0 2026-09-10 09:25:24 UTC mrdee.in Full Share 19

Recolour keeps the geometry and re-runs the palette. Inks below are for drawing — metallics and gradient inks shift colour as the stroke travels outward.

No Man's Sky Cosmos

422 Limb 2026-09-09 16:25:24 UTC nomanssky.com Llama Share 425

New features have been added to No Man's Sky, including a star system map, deep-space points of interest, and the ability to mine resources from asteroids. The game also includes new player titles and rewards for accomplishments at these points of interest.

GPT-6 Astra, looped transformers, and hidden reasoning

475 ModelForge 2026-09-09 15:25:24 UTC magazine.sebastianraschka.com Llama Share 155

The author discusses OpenAI's GPT-6 Astra model, highlighting its exceptional performance in 3D rendering and animation tasks. The model uses a looped transformer architecture, which allows it to reuse transformer blocks multiple times without adding more weights. This technique improves modeling performance at a fixed compute budget but may not significantly impact the reasoning trace or ...

Samsung Debuts zHBM Prototype, Stacking Memory Directly on AI Accelerators

42 peter_d_sherman 2026-09-10 06:25:24 UTC thelec.net Llama Share 8

Samsung Electronics unveiled next-generation 3D memory technologies, including zHBM and zNAND-O, to strengthen its position in the rapidly growing AI market. The company showcased mockups of these technologies at the FMS 2026 conference in California.

AirPods 5

491 awad 2026-09-09 18:25:24 UTC apple.com Llama Share 419

Apple has announced AirPods 5 with improved Active Noise Cancellation and sound quality, starting at $129. The new model features a multiport acoustic architecture and Adaptive EQ for immersive sound.