| 1. | DeepSeek v4.1 Flash(twitter.com) |
| 994 points by Liwink 45 days ago | 568 comments | permalink | |
tl;dr: DeepSeek announced DeepSeek-V4.1-Flash, the smallest model in a new architecture family featuring native visual understanding. The release emphasizes faster inference, higher throughput, and improved efficiency, and is positioned as a foundation for scaling to larger models. | |
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| 2. | iPhone Duo(apple.com) |
| 1468 points by thecosmicfrog 46 days ago | 2517 comments | permalink | |
tl;dr: Apple's iPhone Duo is its first foldable iPhone, featuring a 7.6-inch inner Super Retina XDR display (50% larger than iPhone 18 Pro Max), a 5.4-inch outer display, an under-display FaceTime camera, and a titanium frame with IP68 rating. It's powered by the A20 Pro chip, uses Touch ID in the side button, is eSIM-only, offers up to 31 hours of video playback, and supports Apple Pencil. Launching October 23, 2026, with new foldable-specific features like Duo Preview, Smart Take, and Duo FaceTime. | |
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| 3. | Show HN: What if the speed of light was 5 km/h?(rivendell.dmitrybrant.com) |
| 606 points by dmitrybrant 45 days ago | 276 comments | permalink | |
tl;dr: An interactive browser demo that simulates a park where the speed of light is 5 km/h, letting you walk around and experience relativistic effects firsthand. As you accelerate (via arrow keys or WASD), you can observe length contraction, time dilation, Terrell rotation, and Doppler shifts (blueshift ahead, redshift behind), with toggles to isolate individual effects. | |
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| 4. | Shopify acquires Tailwind(tailwindcss.com) |
| 1136 points by EdwinHoksberg 46 days ago | 443 comments | permalink | |
tl;dr: Tailwind CSS is being acquired by Shopify, which has been a heavy user of the framework and will provide long-term maintenance and a real-world product surface to develop against. Tailwind CSS and other open-source projects will remain MIT-licensed and continue to be maintained by the same team, but the commercial side is winding down—existing Tailwind Plus and ui.sh customers keep access, but new signups are closed. | |
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| 5. | What do Visa and Mastercard do? An intro to card networks(tautology.town) |
| 654 points by evakhoury 47 days ago | 393 comments | permalink | |
tl;dr: Visa and Mastercard operate card networks with four core functions: routing transaction messages between issuers and acquirers via their telecom infrastructure, coordinating banking relationships to settle payments (including across currencies), setting interchange fees and incentives that shape network behavior, and enforcing rules plus arbitrating disputes. Notably, in a typical 2.5% US merchant fee, the issuing bank pockets ~2% while the network itself takes only ~0.15%—which is why issuers fund lavish rewards programs. EU regulation caps interchange at 0.3%, explaining the region's weaker rewards culture and stronger alternative payment adoption. | |
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| 6. | Growing proof that autonomous cars save lives(spectrum.ieee.org) |
| 435 points by bookofjoe 46 days ago | 820 comments | permalink | |
tl;dr: IIHS and Waymo studies show autonomous vehicles crash significantly less than human drivers, with Waymo robotaxis involved in 68% fewer crashes overall and 81% fewer injury crashes per mile across four U.S. cities. ADAS features like automatic emergency braking are also cutting pedestrian crashes by 27% and rear-end crashes by 50%. However, the AV industry still lacks national safety standards and consistent crash reporting, prompting NHTSA to partner with SAE on a three-year effort to develop performance benchmarks. | |
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| 7. | No Man's Sky Cosmos(nomanssky.com) |
| 441 points by Limb 46 days ago | 458 comments | permalink | |
tl;dr: No Man's Sky's 10-year anniversary update, Cosmos (7.0), overhauls deep-space exploration with asteroid belts, derelict hulks, outposts, reachable stars, and an interactive star system map, plus expanded six-degrees-of-freedom spacewalking and a Corvette Tractor Beam. Players can now become Space Station directors—customizing interiors, exteriors, and adding rooms—and form or join galactic alliances with leaderboards. The update also adds orbital base construction, a nostalgia-themed "Our Journey Continues" expedition with developer commentary from Sean Murray, and significant rendering upgrades including DLSS 4.5, XeSS 3, and improved terrain tessellation. | |
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| 8. | GPT-6 Astra, looped transformers, and hidden reasoning(magazine.sebastianraschka.com) |
| 506 points by ModelForge 46 days ago | 160 comments | permalink | |
tl;dr: OpenAI's rumored GPT-6 Astra reportedly uses "looped transformers" (recurrent depth), an architectural technique where intermediate representations pass through the same transformer blocks multiple times, effectively increasing depth without adding parameters—an approach seen in models like Nanbeige, Ouro, and Universal Transformers. The author argues this looping likely isn't the reason Astra produces shorter/less monitorable reasoning traces; more capable models simply need less scratchpad, similar to how larger models in a family use fewer tokens than smaller siblings. Astra's biggest practical leap appears to be in computer-use tasks, likely trained via RL on OpenAI's reported fleet of Mac Minis. | |
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| 9. | AirPods 5(apple.com) |
| 503 points by awad 46 days ago | 446 comments | permalink | |
tl;dr: Apple announced AirPods 5, priced at $129 ($149 with wireless charging case), featuring open-ear Active Noise Cancellation that reduces external noise up to 50% more than AirPods 4, a new multiport acoustic architecture, and improved Adaptive EQ. They integrate with Siri AI (rolling out in iOS 27 beta) for hands-free personal context queries, head gesture responses, and Live Translation. Pre-orders start today with in-store availability September 18. | |
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| 10. | iPhone 18 Pro and iPhone 18 Pro Max(apple.com) |
| 400 points by meetpateltech 46 days ago | 480 comments | permalink | |
tl;dr: Apple announced the iPhone 18 Pro and Pro Max, featuring a 48MP Fusion Main camera with variable aperture, the A20 Pro chip with a new vapor chamber for improved sustained performance, and a smaller Dynamic Island. The Pro Max delivers Apple's largest-ever battery life increase, with eSIM-only models gaining extra capacity. Starting at $1,199 and $1,299 respectively, they ship September 18 with iOS 27, Apple Intelligence, and a beta Siri AI (not available in the EU at launch). | |
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| 11. | Automattic's board forces CEO Matt Mullenweg into leave of absence(techcrunch.com) |
| 431 points by LeoPanthera 45 days ago | 325 comments | permalink | |
tl;dr: Automattic's board voted to place CEO Matt Mullenweg on paid leave against his will, installing CFO Mark Davies as interim CEO; Mullenweg says he was given the resolution 50 minutes before the meeting and denied time for legal review. The move follows a turbulent stretch including the ongoing WP Engine lawsuit, mass severance-driven departures in 2024, and a 16% layoff in April 2025. Mullenweg remains on the board and continues to lead the WordPress.org open-source project. | |
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| 12. | Desert Ant Labs: local, fast models that run on device(desertant.com) |
| 483 points by willwhitedc 46 days ago | 102 comments | permalink | |
tl;dr: Desert Ant Labs, a European AI startup, launched 18 small, specialized on-device models for audio, vision, and text tasks—accessible via a single SDK for Swift, Kotlin, and JavaScript, and free up to 100k monthly active devices. Their models include Voz (transcription 4.7x faster than Whisper), Clear (9MB audio enhancement), Redact (PII masking in 27 languages), and Tongue (2MB language ID), all claiming to outperform much larger cloud and local alternatives on speed and often quality. The team previously built the Detail video app and trained these models to replace their own cloud API dependencies. | |
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| 13. | Qwen 3.8 follows GPT-5.5 Pro reasoning prefills(gist.github.com) |
| 233 points by wsxiaoys 46 days ago | 93 comments | permalink | |
tl;dr: When prefilled with the first 1% of GPT-5.5 Pro's reasoning, Qwen3.8 A95B's output overlap with the teacher's answer jumped +18.18 points (including +27 on STEM), while DeepSeek V4 Flash, Inkling, and Kimi K3 barely budged. Since Qwen showed little response to Opus 4.8 prefills in a prior experiment, the author suggests Qwen may have been trained on outputs from GPT-5.5 Pro or a closely related model. | |
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| 14. | Apple Watch Series 12(apple.com) |
| 272 points by Lealen 46 days ago | 374 comments | permalink | |
tl;dr: Apple announced the Apple Watch Series 12, featuring a new S11 chip, an upgraded Health Sensing System with more accurate heart rate and HRV tracking, and a readiness score that feeds into a redesigned Health app with a "Longevity" tab and Health Age metric. New Audio Intelligence features (coming later in 2026) include Sound Recognition, Live Rewind (replays the last 15 seconds of conversation as text), and Siri Recap for conversation summaries, plus Siri AI powered by Apple Intelligence on the wrist. It starts at $399, with pre-orders today and availability September 18. | |
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| 15. | How I advertise malicious software on Google Ads(xlii.space) |
| 425 points by xlii 46 days ago | 259 comments | permalink | |
tl;dr: Summary not available | |
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| 16. | GNU Radio in the browser(gnuradioworld.com) |
| 217 points by kristianpaul 46 days ago | 33 comments | permalink | |
tl;dr: GNU Radio Companion has been ported to run entirely in the browser, with the DSP stack and Qt GUI sinks compiled to WebAssembly. It reads/writes standard .grc files, renders live spectrum, waterfall, and constellation plots, and requires no Python, install, or server. It can also communicate with RTL-SDR, PlutoSDR, and HackRF devices via WebUSB. | |
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| 17. | OpenAI might have stolen another major proof(twitter.com) |
| 290 points by tamnd 45 days ago | 10 comments | permalink | |
tl;dr: Mathematician Andreas Thom alleges OpenAI may have trained its Astra model on private conversations between him and Gábor Kun regarding Gromov's soficity conjecture, which OpenAI later claimed Astra had solved independently. Combined with similar accusations from Levent Alpöge and Tristan Buckmaster, the author argues this suggests a pattern of OpenAI passing off unpublished human mathematical work as AI-generated breakthroughs. | |
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| 18. | What will our economic future look like?(anthropic.com) |
| 231 points by oumua_don17 46 days ago | 450 comments | permalink | |
tl;dr: Anthropic's Economics team built a scenario explorer modeling how AI could reshape the US economy by 2030, based on user inputs about AI capabilities, adoption, and productivity. In modest-to-substantial scenarios, GDP grows 1.6-8.3% with unemployment staying within historical norms, while an "extreme" scenario shows 32% GDP growth but significant knowledge-worker displacement, stagnant or declining wages for those workers, and a shift of economic gains from labor to capital. The model omits factors like robotics, policy responses, and demand shocks, and is presented as a thinking tool rather than a forecast. | |
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| 19. | Muse – Meta’s personal AI agent(ai.meta.com) |
| 652 points by yks 47 days ago | 733 comments | permalink | |
tl;dr: Summary not available | |
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| 20. | We built our house for LAN parties (2024)(lanparty.house) |
| 588 points by fittingopposite 50 days ago | 364 comments | permalink | |
tl;dr: Cloudflare engineer Kenton Varda and Jade Wang built a custom house in Austin featuring 12 wall-mounted PCs in the basement plus 6 more in the office, all fold-away, with 20 identical netbooted machines (i5-13600KF, RTX 4070, 32GB RAM) running from a shared disk image in a dedicated server room with its own A/C. Additional features include DDR pads in the floor, extensive Cat6 wiring with UniFi networking, fiber-optic DisplayPort/USB runs up to 100ft to the stations, cat doors throughout, and a roof deck. It's a follow-up to Varda's 2011 Palo Alto LAN house, scaled up for family life. | |
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