Primary discovery surface

Explore ICU your way.

Search when you know the thing, browse when you know the subject, follow a guided path when sequence matters, or wander when you want surprise. Each mode hands off to the next instead of becoming another directory.

11,000searchable entries

40registry-managed universes

10,705connected recommendation nodes

Universal discovery

Choose how you want to move through ICU.

Discovery is one system with different jobs: Search finds, Topics and Universes browse, Collections guide, recommendations continue, and serendipity wanders.

SearchFind something specificSearch titles, IDs, topics, products, guides and tools.BrowseBrowse a subjectChoose a topic hub or enter one of ICU’s specialist subject worlds.Guided pathFollow a pathUse an ordered collection when you want sequence, context and a clear next stop.CompareCompareJump straight to published comparison records instead of browsing unrelated grids.ToolsUse a toolOpen practical tools and interactive utilities.PlayPlay or experienceMove into games, interactive experiences and playful resources.SerendipityWanderTake a source-visible random doorway without pretending randomness is a recommendation.

Specialist worlds

Go deep without leaving the parent universe.

Each specialist world keeps its own vocabulary, evidence practice and design while sharing ICU search, saving and continuation infrastructure.

Browse broad topic hubs Compare all worlds

New · O037 broad expansion

Ten finished resources across ten formats.

History, product decisions, DIY, business, tools, play, fiction, original visuals, a local-first app and a real printable kit now sit beside the Concept Library.

history

Soundscape museums: preserving place through listening

A compact history of soundscape research and preservation, connected to a future Museum of Soundscapes concept without pretending the museum already exists.

curated collection

Large e-paper writing tablet decision cluster

One research cluster connecting three verified e-paper tablet profiles, the comparison, the buying guide and the local decision method.

diy experience

Build a safe Cloud Room Slumber at home

A reversible room-scale cloud-light-and-sound experience built around freestanding textiles, flameless light and clear fire-safety boundaries.

business guide

Recipe Revival Nights: first-test community event guide

A small first-test operating guide for a recipe-and-story gathering, with demand, food-safety and unit-economics assumptions kept explicitly separate from observations.

tool

Choice Observatory decision journal

A browser-local journal for comparing options by impact, reversibility, confidence and named assumptions, without pretending to predict the future.

game

Infinity Slide Rite

A compact deterministic 15-tile browser puzzle with keyboard and pointer controls, local scoring and no remote leaderboard.

story

Opal Silhouette

An original speculative short story about a conservator, a shifting opal projection and the difference between preserving an image and preserving a choice.

visual collection

Impossible Weather Atlas

Six original procedural studies of impossible weather: petal storm, feather snow, prism rain, glass fog, ribbon lightning and pollen aurora.

app

Sound Canvas

A local-first browser sketchpad for arranging abstract sound notes spatially and hearing simple synthesized tones, with JSON export and no uploaded audio.

download

Hollow Gold Expedition printable field kit

A free printable mini-expedition kit with map grid, clue cards, field notes and facilitator sheet, released as a tested PDF plus source README and license.

Rabbit-hole controls

Follow a reason, not a black box.

Recommendations come from public topic links, collection structure, explicit reviewed relationships and editorial trails. Sponsored placement is separate and does not affect editorial rank.

Surprise me

Open a different doorway

The pool is a reproducible set of public records. The browser chooses one at random; this is serendipity, not a claim that the item is best.

Surprise me

Continue exploring

Pick up your local trail

ICU keeps a short trail in this browser only so you can return to a recent doorway and nearby connections.

Checking this browser’s trail…

Connection trail

See why one thing leads to another

Open a connection from any recommendation card. The graph is bounded, has no self-links, and every edge includes a public explanation.

Open connection explorer

Curated experiences

Follow a guided editorial path.

Six published collections mix public topics and concepts without cloning their canonical pages. Ordered paths can remember browser-local progress.

Learning path

Proof Before Scale

A practical learning path through public business concepts that foreground evidence, bounded tests and observable commitment before larger commitments.

Themed exhibition

Interfaces That Haven’t Been Built

A themed exhibition of future creative-tool concepts that turn layout, comparison, sound and palette work into distinct interface ideas.

Reading list

Writing at the Edge of Sound, Story & Experience

An ordered reading list for tracing how writing concepts cross into sound, hosted experiences and venture-shaped formats.

Topic spotlight

A Strange Game-Design Rabbit Hole

A freeform topic spotlight linking movement, hidden rules, DIY sound and tactile making across four public game concepts.

Topic spotlight

Travel Across Tools, Worlds & Ventures

A travel topic spotlight that compares portfolio thinking, itinerary tooling and a game-world companion concept.

Project bundle

DIY & Maker Concept Starter Bundle

An ordered project bundle for moving from project-recording tools into two larger DIY experience concepts.

Browse all collections

Topics with substance

Follow a subject across formats.

Only topics with enough current published material become indexable hubs. Empty taxonomy nodes stay private rather than becoming SEO filler.

Topic

Business

6,511

Mixed-format topic hub from current published data.

Topic

Games & Play

846

Mixed-format topic hub from current published data.

Topic

Technology

216

Mixed-format topic hub from current published data.

Topic

Travel

195

Mixed-format topic hub from current published data.

Topic

Books & Literature

155

Mixed-format topic hub from current published data.

Topic

Writing

138

Mixed-format topic hub from current published data.

Topic

Learning

Mixed-format topic hub from current published data.

Topic

Visual Art

Mixed-format topic hub from current published data.

Topic

Audio & Music

Mixed-format topic hub from current published data.

Topic

DIY & Maker

Mixed-format topic hub from current published data.

Topic

Food & Cooking

Mixed-format topic hub from current published data.

Topic

Crafts

Mixed-format topic hub from current published data.

See all published topic hubs

Content type

Different things keep different identities.

Browse what is actually published now, while keeping the 23 Plan 5 resource families ready for future content.

Format directory

Browse formats

8,221

See current counts by resource family without auto-publishing empty type pages.

Curated trails

Take a short curated trail.

These trails use only current public records. Legacy entries remain labeled Future Concept where that is their real lifecycle state.

Curated trail

Creative tools that do not exist yet

A short trail through application concepts. Every stop remains a Future Concept.

Paper Comet Layout · Future Concept
Dream Prism · Future Concept
Sound Canvas · Future Concept
Crystal Static Palette · Future Concept

Curated trail

A strange game-design rabbit hole

Four published legacy concept records from the game collections, not playable releases.

Hollow Gold Expedition · Future Concept
Surreal Science Bloom · Future Concept
DIY Sound Gallery · Future Concept
Silver Static Voyage · Future Concept

Curated trail

Business concepts, not business promises

A trail through Venture/Online Income ideas. None is presented as validated or profitable.

DIY Haunted House · Future Concept
Signal Cabinet Evidence Brief · Future Concept
Memory Lane Mini Golf · Future Concept
Silent Yoga · Future Concept

Curated trail

Writing and media concept trail

A cross-origin trail selected from records whose published titles/source text strongly signal writing or media.

The Circular Sound Workshop · Future Concept
Story Threshold Network · Future Concept
Neuro-Sound Sanctuary · Future Concept
Phantom Story Voyage · Future Concept

Recently published

New work, with an explicit publication date.

Published September 9, 2026 · O037-FIRST-BROAD-BATCH. ICU uses the batch’s authored publication timestamp; file modification and migration timestamps are not publication dates.

history

Soundscape museums: preserving place through listening

O037

Explicitly published September 9, 2026.

collection

Large e-paper writing tablet decision cluster

O037

Explicitly published September 9, 2026.

DIY

Build a safe Cloud Room Slumber at home

O037

Explicitly published September 9, 2026.

business guide

Recipe Revival Nights: first-test community event guide

O037

Explicitly published September 9, 2026.

tool

Choice Observatory decision journal

O037

Explicitly published September 9, 2026.

game

Infinity Slide Rite

O037

Explicitly published September 9, 2026.

story

Opal Silhouette

O037

Explicitly published September 9, 2026.

visual collection

Impossible Weather Atlas

O037

Explicitly published September 9, 2026.

app

Sound Canvas

O037

Explicitly published September 9, 2026.

download

Hollow Gold Expedition printable field kit

O037

Explicitly published September 9, 2026.

Serendipity

Open something unexpected.

The random doorway samples only public concept identities. It does not change their lifecycle or imply a recommendation.

Surprise me

Browse the current universe

Source-library identities, progressively loaded.

New-format resources will naturally rise into this feed when they pass publication. Today the public projection is still dominated by the Concept Library.

ConceptFuture Concept