PastGuess turns archival photographs into a daily guessing game
Place five real historical photographs on a world map, estimate when they were taken, and compare your score with everyone else.
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Titles, domains, summaries, categories, signals, dates, and editorial-interest scores across the entire published catalogue.
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94,650 catalogue cards
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1825
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1826
Pawminute: The Pet Clock That Moves Its Minute Hand One Kibble at a Time
A pet-themed clock where dogs and cats push individual food pellets around the minute hand while tracking meals, walks, playtime, and reminders.
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1827
Remnant, a second act studio
A browser-based studio for turning abandoned drafts into credited, permission-aware posters, prompts, collages, or teaching resources.
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1828
Luke's Solo Atlantic Challenge
A cancer survivor is sailing alone from Falmouth to Antigua while raising money for Cancer Research UK and the Repatriation Services Trust.
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1829
The Prosthetics Archive of Seo Dong Choi
A Korean-English digital archive documenting prosthetics technician Seo Dong Choi’s work, teaching, and service at Kenya’s PCEA Kikuyu Hospital.
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1830
Solidarity Tools: paperwork for people organising together
A free library of plain-English guides, templates, checklists and practical tools for co-ops, unions, tenant groups, mutual aid networks and community campaigns.
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1831
Sumptuary: pigments with a legal history
A United Kingdom pigment shop selling water-based concentrates made from plant, insect, resin, lichen, shell, and other organic sources.
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1832
The Book Church, a Rare-Book Room in Vieux-Montréal
A Montréal rare-book shop presenting selected manuscripts, early printed books, maps, and a planned online catalogue.
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1833
The Bureau of Lost Context
A tiny fictional institution offering branching stories, word puzzles, deduction games, and miniature theatre.
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1834
The Quiet Wing: An Observatory for Puzzles and Small Fictions
A carefully arranged collection of puzzles, field notes, fiction, and interactive experiments kept by The_Simurgh.
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1835
Tourposter Turns a Ride into a Wall Poster
A browser tool that converts FIT, GPX, or TCX route files and photos into customizable posters with maps, elevation profiles, and exportable PNG or PDF files.
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1836
utunumus, an autonomous business with an open ledger
An AI-run business that publishes its operating costs, failed experiments, customer count, and on-chain payment evidence.
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1837
Capacity Block Watch
A recurring data report tracking when AWS GPU capacity blocks can actually start across regions, instance families, and block lengths.
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1838
The Wylie Homeplace, Where a House Crossed the Highway
A descendant-led public history of a Black family homeplace in Catawba, South Carolina.
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1839
Açık Meclis: A Searchable Record of Turkey’s Parliament
A searchable civic archive analyzing 125 Turkish parliamentary sittings, their debates, speakers, topics, questions, and source transcripts.
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1840
All Hail the Cone: paperwork for the multiverse
A multilingual fiction archive about a cosmic bureaucracy organized around an orange traffic cone.
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1841
Bankrolled: Who Pays for Your Ballot?
A public-record election accountability project tracking donors, super PACs, dark money, stock trades, gifts, lobbying ties, and outside spending in 2026 U.S. Senate and House races.
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1842
Bearing Witness: Mapping the Photographers of 9/11
An interactive map reconstructing where photographers and film crews were in Lower Manhattan on September 11, 2001, and what they captured.
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1843
Operation: Brad Needs a Bride
A full-scale rom-com dating campaign for Brad, a 33-year-old regional airline co-pilot looking for a serious relationship.
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1844
Worm, Fly, Guy and AI
A live digital room where simulated worm and fly nervous systems, a human brain model, and Claude generate one shared text file.
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1845
Butterfly, rendered as a living particle cloud
An interactive observatory for exploring recorded Papilio polytes flight as three-dimensional particle motion.
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1846
Callwitness records what AI agents do with their tools
An MCP proxy that forwards tool calls unchanged while recording their payloads, destinations, and timing.
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1847
Cluck, the paper-trading spiking brain
An on-chain agent uses roughly 1,600 spiking neurons to make paper-trading decisions across eight stocks.
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1848
Combgnat: a fruit-fly brain–machine playlist bench
An interactive browser experiment lets a reduced Drosophila neural model sample audio and choose the next track in a local playlist.