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News for “Hand”
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hyper3d.ai• Jan 30, 2026• 1 min read
Show HN: We Built a "Nano Banana" for 3D EditingMost 3D AI tools force you to start from scratch every time you want to make a change.Anyone who’s used 3D AI has seen this: fix the hands, the toes break. Or you download a model and only need to tweak one part, not redo the entire asset.That’s the problem we’re trying to solve.We just launched an editing feature in our 3D AI tool, Rodin. It lets you edit existing 3D models by selecting an area and typing your prompt, without rebuilding everything.You can upload any model, or generate one from Rodin, and change only the part you want. For example: “Replace the head of this Gundam model with Crayon Shin-chan’s head.”This came from working with real production pipelines, where fast iteration matters more than one-shot perfection.Demo: https://youtu.be/-5_sSHeOmuc You can try it with this code for a 14-day Creator Plan: ME8EW4PMCRT4Happy to answer any questions.
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github.com• Jan 30, 2026• 1 min read
Show HN: Turkish Sieve Engine – Reaching 1.1T-Items/S on a Single GPUHi HN,I’ve been working on an optimized prime sieve implementation called the Turkish Sieve Engine (TSE). I recently got my hands on an RTX 5090 and managed to break the 1 Tera-item/s barrier, reaching 1.136 T-items/s at the 10^12 range.The project uses a methodology I call "N/6 Bit-Indexing." By mapping only numbers of the form 6k±1 and using a bit-compressed representation, I’ve managed to significantly reduce the memory footprint. This allows processing ranges up to 10^14 (100 trillion) with about 17GB of VRAM usage, which is well within the limits of modern consumer GPUs.Key results from my latest benchmarks:Range 10^12 (1 Trillion): 0.880 seconds (1.13 T-items/s)Range 10^14 (100 Trillion): 359 seconds (6 minutes) on an RTX 5090Twin vs Cousin Primes: Verified the Hardy-Littlewood conjecture at 10^14 with a variance of only 0.0003%.The engine uses a hybrid CUDA/OpenMP approach. For the CPU side, I optimized it for the L3 cache of the Ryzen 9 9950X3D (using 192.5 KB segments), hittin
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bing.com• Jan 30, 2026• 1 min read
Art Genève Courts Galleries With a Different Market LogicSales reflected the fair’s human scale, with historically significant works changing hands without the pressure of marquee-market theatrics. Art Genève unfolds at a deliberately measured scale, ...
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github.com• Jan 28, 2026• 1 min read
Show HN: Rtipc – real-time, zero-copy IPC for LinuxI built a small IPC library for Linux aimed at real-time and low-latency data exchange between processes.At its core is a zero-copy, wait-free, single-producer / single-consumer circular message queue living in shared memory. The design avoids locks and minimizes synchronization overhead, making it suitable for real-time or near-real-time workloads.Key features: - Zero-copy message passing via shared memory - Wait-free SPSC queue (no locks, no blocking in the fast path) - force_push mode: when the queue is full, the oldest message that hasn’t been consumed yet is dropped to make room for new data (useful when freshness > completeness, e.g. sensor streams) - Uses optional eventfds for efficient notifications - Small, dependency-free C implementation (a few thousand lines of code)This is not meant to replace general-purpose IPC systems like D-Bus. Instead, it’s designed to complement them for high-frequency or real-time data paths, while something like D-Bus handles control and configura
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bing.com• Jan 28, 2026• 1 min read
Wilson New Releases for 2026Looking to learn what you need to know about the latest new products from Wilson? These handy thumbnails will keep you up to date on the company's new releases across all club and ball catetgories.
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news.ycombinator.com• Jan 27, 2026• 1 min read
Show HN: I could build the translation tool I've wanted for 10 yearsHi HN,In 2014 my idea of a futuristic translation tool was a souped up Vim plugin or an ncurses TUI app that would autocomplete typing and do hyper-fast translation memory lookups. A decade+ later and I moved out of full time translation and into dev work for translation/localisation agencies. Google developed the transformer model in their translation research, having already given us the neural network improvements from around 2016. Then workable coding agents surfaced and ideas continued to percolate. A few discussions with colleagues, who'd done similar pre-AI, and projects that failed to gain traction with clients later, I thought I should give it a go myself.I knew exactly what I needed to build, what stack I wanted to use, had been testing LLM editing of machine translation (of NN type) in an elaborate script with batching and RAG and error handling and so on. But models and "harnesses" have kept improving, the features I thought would be months of work were a week (a video dubb
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marketplace.microsoft.com• Jan 27, 2026• 1 min read
Show HN: DocEndorse – An AI assistant that runs your e-sign workflow in chatDocEndorse is an AI-powered e-signature assistant that lets you prepare, send, track, and follow up on documents through natural language instead of forms and drag-and-drop editors.You can tell it what you want (“Send this NDA to John for signature”), and it will: • Find the right document and contacts • Detect and place signing fields • Assign signer roles • Suggest titles and messages • Send requests via email, SMS, WhatsApp, or Microsoft Teams • Track status and automatically follow up with signersIt supports the full e-signature lifecycle: self-signing, sending requests, templates, reminders, resends, and real-time status updates. Follow-ups are generated automatically with tone and timing adjusted based on progress.Deeply integrated with Microsoft 365: OneDrive, SharePoint, Outlook contacts, and Teams chats/meetings. Everything can be done through a conversational interface, with a dashboard for centralized visibility.Target users: teams and enterprises that handle frequent approv
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hnsignals.com• Jan 26, 2026• 1 min read
Show HN: Was tired of drowning in HN comments, so I built an AI Chief of StaffI've been lurking on HN for years. You know the drill: interesting headline, 200+ comments, you dive in thinking "I'll just skim for 5 minutes"... and an hour later you're 36 chambers deep in a thread about memory allocation patterns in Postgres and you've completely forgotten what the original article was about.I don't just want a "summary" (which usually just shortens the noise). I want the meta-consensus: "What is the actual trade-off being debated? Who is winning the argument? Why does this matter?"So I built HNSignals. Think of it less like a "summarizer" and more like a Chief of Staff who reads the entire thread for you and hands you a one-page executive brief.How it works: 1. Filters: Shows trending stories (50+ comments) where the discussion has heated up. 2. Extracts: An AI (Qwen 3 via Venice.ai) reads the top comments. 3. Structures: Instead of a wall of text, you get 4 specific signals: - The Hook: Why you should care. - The Gist: The core technical facts. - The Debate: The
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sheetsage.co• Jan 26, 2026• 1 min read
Show HN: SheetSage – A Linter for the Most Dangerous Programming LanguageI built SheetSage because "Silent Failures" in spreadsheets are a massive unmanaged risk in finance and ops. Most tools just find broken references (#REF!), but the real killers are logical errors like a VLOOKUP defaulting to approximate match on unsorted data, returning a plausible but wrong value.The Technical Implementation:Locale aware parsing: Since Google Sheets doesn’t provide an AST for formulas, I had to build a conservative parser that tracks quotes, parens, and braces to extract function calls without getting poisoned by strings or array literals. It handles localized argument separators (, vs ;) and decimal separators (, vs .) based on the spreadsheet's locale.R1C1 Clustering: To avoid UI noise, I don't treat every cell as a unique finding. I normalize formulas using getFormulasR1C1() to identify templates that have been copied down. This allows the fix all engine to refactor thousands of cells in one batch.The systemic softcap scoring: standard penalty per thousand metrics
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bing.com• Jan 24, 2026• 1 min read
How to use the REDUCE function in Microsoft ExcelVBA used to be the only way to handle iterative, multistep logic in Microsoft Excel. Not anymore. REDUCE brings the power of functional programming directly into your cells, allowing you to condense ...
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news.ycombinator.com• Jan 23, 2026• 1 min read
Ask HN: Why don't winter gloves have mechanical fingers?Idea: A winter glove where your real hand stays in a warm fist and controls mechanical fingers.In very cold weather, even good gloves often fail and you end up clenching your fist inside them to keep your fingers warm. Mittens work better for warmth, but you lose dexterity.What if a glove was designed around the fact that your hand wants to stay mostly closed in the cold?The idea is a heavily insulated mitten where your real hand stays in a relaxed fist for warmth. Instead of your own fingers doing the work, there are mechanical fingers on the outside of the glove that you control using small movements, pressure, or muscle signals from your clenched hand.Even in a fist, your hand is still very functional. You can vary finger pressure, tendon tension, thumb movement, and forearm muscle activation. Those small signals could be used to control external mechanical fingers through pressure sensors, cables, or EMG sensors.The benefits:* Fingers stay together and warm like a mitten* No need t
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bing.com• Jan 23, 2026• 1 min read
As Oracle loses interest in MySQL, devs mull future optionsDevelopers in the MySQL community are working together to challenge Oracle to improve transparency and commitment in its handling of the popular open source database, while considering other options, ...