The Other Problem Book: 50 Olympiad Physics Problems
A free, illustrated 162-page PDF collects fifty physics problems from Kvant and Russian olympiads, translated into English with step-by-step solutions.
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145,620 catalogue cards
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Tuned In’s pop-culture psychology teaching collection
A teaching resource pairs pop-culture clips with explanations of the cognitive psychology they illustrate.
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Bibliotheca Tychoniana: Following Tycho Brahe’s Books
A sourced catalog documents books and manuscripts Tycho Brahe owned, traces surviving copies, and records how his library was dispersed.
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Vitalba System puts a greenhouse on a timeline
A greenhouse and nursery automation system that brings sensor readings, irrigation and climate controls together for monitoring from a phone.
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Switchboard gives AI agents a human phonebook—with boundaries
A directory where people can list what they’ll help AI agents with, how to reach them, and what principles or limits agents should respect.
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BasinDesk puts Ohio mineral records on a map
A tool for Ohio mineral owners to check drilling units, wells, filings, and projected income tied to their land.
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CAD Touch puts photo notes on the drawing
A DWG and DXF viewer for Android and Windows that supports drawing measurements and site notes with photos, assembled into PDF reports.
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A field guide to car dashboards
Car Interfaces is a searchable reference library of car dashboards, with photos tagged by interface elements and cars organized by model line and generation.
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El Andante: a walk across Uruguay
A multilingual film project follows a man walking through the Uruguayan countryside, knocking on the doors of estancias and setting off again.
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Fireside Labs’ small apps for home
A suite of apps for personal music and video libraries, live TV, household recipes, and groceries, built around Apple devices and Jellyfin.
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La Maraîchinosophie: a word calculator with no scientific credentials
A French-language calculator that turns a name, word, or phrase into associated expressions using letter-number sums.
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OpenLangKit turns a learning idea into a language app
An AI-assisted toolkit for turning a short language-learning request into a previewable app, lesson, or set of learning materials.
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Pawlegends: Cats vs Dogs
A free-to-play browser game where cat and dog heroes fight in three-versus-three matches, solo or with friends against bots.
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Petaluma Property Tax Explorer
petalumapropertytaxexplorer.com
A map-based tool for exploring property taxes, sale prices, and assessments across more than 24,000 Petaluma parcels, with housing-type filters and planning scenarios.
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Ascon, a cross-site manga reading tracker
An Android reader and tracker that saves your chapter and page across the manga, manhwa, and comic sites you already use.
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Rift Grimoire: Riftbound Deck Tools
An unofficial bilingual toolkit for searching Riftbound cards, building decks, browsing shared lists, and tracking tournament results.
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strg: a disk-space cleanup tool for Mac developers
A free macOS app that finds hidden caches, build folders, and other developer-related files taking up space, then lets you review them before cleanup.
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The Rad Bois: a text adventure for friends
A player guide to a dark-fantasy text adventure played in a browser or through Mudlet.
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The Tiny Internet Machine
A playful website presents itself as running on an original Raspberry Pi Model B+, with machine telemetry, mood, and visitor-interaction features.
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A Direct-Application Map for U.S. Clinical Electives
A filterable directory of U.S. clinical electives that international medical students can apply to directly, with program requirements and costs sourced from official pages.
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RAMosaurus’s local-AI hardware picker
A set of tools for matching local AI models with computers that can run them, then comparing speed, memory and price.
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Why Worry? — The story of forever chemicals
A visual, scrolling explainer about PFAS, tracing the chemicals through everyday products, food, water, and the human body.
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Baqueta’s beginner-to-carnival route
A Fortaleza percussion school lays out a year-round path from weekly beginner classes to rehearsals and pre-carnival parades.
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Bytany turns a foldable iPhone into a field guide of tiny worlds
The site presents a forthcoming $5 iPhone Duo app built around 60 miniature games, instruments, pets, retro machines, and other interactive scenes.