Directory
Published directory entries matching your search.
The Photographic Periodic Table of the Elements is an online periodic table reference site. It includes technical data, along with photographs and descriptions of thousands of samples of the chemical elements. Clicking an element shows more information.
Photonlexicon is a discussion forum focused on lasers, their uses, and applications with an emphasis on laser light shows and technical information. It includes subforums for resources, events, user support, and general discussion.
The Phrontistery is a language resource website that has operated since 1996, offering an online dictionary of obscure English words, topical word lists, etymology materials, technical vocabulary aids, lipogram resources, and essays on language and linguistics.
Phys.org is a science and technology news platform that provides daily coverage of research developments, technological breakthroughs, and scientific innovations. It publishes general science news across fields including quantum physics, ecology, and astronomy, alongside feature stories covering health, medicine, and space science.
A database for looking up PIC/CIC (Carrier Identification Code) codes, which can be searched by code, ACNA, company name or location. A PIC or CIC code is a 4-digit prefix that identifies a long distance carrier in North America or the Caribbean to a LEC, which uses the code to route calls. The database is updated daily from the NANPA list.
Pipeline Conversations is a podcast from ZenML featuring interviews with platform engineers, ML practitioners and technical leaders building production AI systems. Episodes cover MLOps and LLMOps topics including Kubernetes workflows, model fine-tuning and evaluation, LLM security, cost optimization, prompt engineering and agents in production.
Map and dataset of police surveillance technologies and locations in Chicago.
Pomatez is a multi-platform desktop application supporting the Pomodoro Technique. It offers customizable Pomodoro rules, a built-in task list, full-screen breaks, desktop notifications, special breaks, keyboard shortcuts, automatic updates, and dark theme. Mobile versions are listed as coming soon.
An Ahead of AI article by Sebastian Raschka sharing lessons from hundreds of experiments on finetuning LLMs with low-rank adaptation (LoRA), billed as an essential technique for efficiently training custom open-source LLMs. It covers LoRA consistency, QLoRA compute-memory trade-offs, learning rate schedulers, Adam versus SGD, multiple epochs, enabling LoRA for more layers, and balancing rank and alpha.
Privacy Watch tracks privacy-focused cryptocurrencies, ranking coins such as Monero, Zcash, Zano, Pirate Chain and Litecoin by shielded market cap and dominance. It states a selection based on privacy technology, resistance to blockchain analysis, and ecosystem criteria including a market cap over $100 million. A chart covers the privacy market cap and its share of total market cap.
Private Trackers General is a guide collection covering private tracker topics, including an introduction to RED, ratio-building techniques, a private tracker list, and a Chinese PT guide. It also links to resources such as the r/trackers wiki and OpenSignups and outlines pathways for newcomers and recruitment chains.
A guide to prompt engineering that collects papers, advanced prompting techniques, learning guides, model-specific guides, lectures, references, new LLM capabilities, and tools related to prompt engineering. It describes prompt engineering as a discipline for developing and optimizing prompts to use language models across applications and research topics, and offers courses on prompting and building AI agents.
PSDevWiki documents game fixes, settings, compatibility, archives, or technical gaming references.
Public Domain Movie Torrents is a site that hosts a wide variety of movies now in the public domain, downloadable for free using BitTorrent technology. Many titles are offered in versions for PDA, iPod, PSP and other mobile devices. Content is grouped into categories such as Action/Adventure, Animation, Comedy, Drama, Horror, Sci-Fi/Fantasy, Serials, War and Westerns. Ratings and comments require signup.
Purevideo is a non-English technical, learning, or open source resource for regional audiences.
QCAD is a professional 2D CAD system with a clean interface and technical drawing tools such as layers, blocks, dimensioning and precision tools. Its core is available under a permissive open source license, and editions include QCAD Community Edition, QCAD Professional and QCAD/CAM.
QST is the monthly membership journal of ARRL. Each issue covers equipment reviews, technical tips, projects and news. Digital editions are available through Android, iOS and Kindle Fire apps, and members log in to view current or archived issues.
A large online directory of thousands of free e-books on science and technology subjects, including computer science, medical science, mathematics, physics and biology. Users can upload their own books, which are checked before being added, or request a book. Links are listed by publisher and category with a download link for each title.
Queer Liberation Library is a digital library that connects LGBTQ+ people with literature, information, and resources. Members apply for a library membership, browse the collection in Libby, and check books out. A technology help desk supports account verification, login, and membership issues, and readers can suggest titles for the collection.
A page from the American Radio Relay League providing amateur radio question pools for download or printing. It lists the Technician, General and Extra class pools with their validity periods, and notes that each pool is normally valid for four years.
r/GameAssets points to a Reddit community or thread with discussion, updates, troubleshooting, or shared resources.
Radiata is a stable diffusion web UI built on the diffusers library that uses TensorRT high-speed inference technology. Its official documentation provides resources for introduction, installation, usage, developer guidance, and troubleshooting for Windows and Linux operating systems. It is categorized under AI & Machine Learning with a focus on AI image generation.
Railway Gazette International is a publication providing news, analysis and business intelligence for the global rail industry. It covers technical, operational, commercial and policy aspects, with a monthly magazine available in print and digital formats and global news on its website, plus free email newsletters.
Ran Art Blog is a personal website by Ran, a realist painter and art instructor, dedicated to teaching drawing and painting. It features free tutorials, tips and techniques in its blog section, alongside a gallery of realistic oil paintings of seascapes, landscapes and animals.
