Why e‑paper displays are still so expensive
At 10 or 13 inches, the display can cost more than all the electronics around it. The foundational patent expired, but e‑paper never became a commodity component.
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All stories · page 43
IRZ archive, page 43.
A hand-painted tattoo sign became a web font in ten minutes
A developer started from a hand-painted sign made by a tattoo artist. Codex reconstructed the character set, wrote the vectorization script, and produced usable TTF and WOFF2 font files in roughly ten minutes.
116 ways an LLM benchmark can be wrong without an obvious error
The community registry tracks 116 serving-path traps where requests look valid, responses look valid, and the final measurement is still wrong because of templates, parsers, kernels, runtimes or version drift.
A 40-card market teaches trading before certainty arrives
Jane Street designed Figgie to teach trading basics. Forty cards and a deliberately incomplete little market turn an abstract concept into a decision players have to make again and again.
A rhythm-game guitar becomes a controller you can print, repair and modify
Polybar publishes printable parts, PCB files and build documentation for rhythm-game controllers built around 3D printing, custom electronics and Raspberry Pi Pico support.
An agent’s code edits become structured, inspectable and reversible
Patchloom treats JSON, YAML, TOML, Markdown and code as structures to edit rather than generic text blobs. Its main argument is correctness and rollback, not magical speed.
A $40 round screen became an aircraft radar and space tracker
A 1.75-inch round display became an aircraft radar, weather station, GMT watch and space dashboard. The interesting part is how its maker designed around 8 MB of PSRAM.
Mark the moment before AI summarizes the meeting
Trace transcribes meetings on the Mac, but its simplest idea matters more: one shortcut lets you say “this mattered” while the conversation is still happening.
What 1,929 fonts look like when sorted by job
Type Barn takes the Google Fonts catalog and reorganizes it around the designer's actual question: what kind of typeface do I need for this particular job?
An old tablet becomes a photo frame without sending your photos to the cloud
Memolio runs the upload server directly on the tablet. Scan a QR code, send photos from a browser, and the images never need to pass through a photo cloud.