Tech News

An interactive article from john.fun examines how the SCAN, LOOK, and Otis RSR elevator algorithms decide which cabin answers each call. The most striking finding: destination kiosks, despite having more information, tend to give worse wait times than traditional buttons.

Christian Selig, creator of the Apollo app for Reddit, built a homemade workflow to walk through the floor plan of his future house in Vision Pro. He combines Fusion 360, IKEA furniture, and 3D Warehouse, handling every format conversion between free tools and visionOS by hand.

Fast Retailing, Uniqlo’s parent company, cut the staff needed at one of its warehouses by 90% thanks to warehouse automation developed with Daifuku. The project, part of the digital transformation plan launched in 2018, combines AGV robots, vision-equipped arms, and inventory management systems. The case illustrates where global e-commerce logistics is headed.

A community fork of the Tailscale client for jailbroken Kindle adds proxy mode with SOCKS5 and HTTP CONNECT, plus full TUN mode on some models. KOReader can now reach Calibre, Wallabag, and Audiobookshelf servers over the tailnet, and the same plugin works on Kobo and PocketBook.

An essay published on June 10, 2026 by blogger Elizabeth Tai argues that Substack is a distribution tool, not an own website. The alternative she proposes, known as POSSE, reverses the publishing order: your own domain first, then syndication to Substack, Mastodon or X.

Kimi Delta Attention (KDA) is the linear attention component that Moonshot AI and Qwen3 use to process long context without softmax’s quadratic cost. It comes from a family that started with DeltaNet and went through Gated DeltaNet, adding increasingly fine control over what the model remembers.

A Google engineer implemented a Zstandard decompressor in Lean with formal proofs generated by an LLM, motivated by the historically steep cost of verifying software like seL4. The experiment explores whether artificial intelligence can make practical an approach that until now was territory reserved for a few teams with nearly unlimited budgets.

An article published on July 23, 2026 by Filip Roséen revisits the null colon, a shell command that does nothing but discard its own result. The trick lets you validate required arguments, assign default values, and truncate files in a single line, a practice that dates back to Thompson’s shell in 1971.

ESP32 Plane Radar turns an ESP32-C3 into an ADS-B plane radar with a 1.28-inch round display. The latest fork adds flight routes, local weather, and authenticated OTA updates via the browser.

Designer Anatoly Zenkov documented how button text (“Accept All,” “Continue with Facebook,” “Subscribe”) gets copied and pasted between sites without ever being redesigned. The phenomenon has concrete technical roots: consent frameworks, OAuth SDKs, and design systems with default text.