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This file is a database. It runs anyway.

SELF packs an ELF program into a valid SQLite database, registers four bytes at offset 68 with binfmt_misc, and runs it. strip becomes a transaction, ldd a JOIN.

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IRZ illustration: the same file read twice, once as a SQLite database by file(1), once as a running program

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A rider on the FLIT M2i folding electric bike in an urban setting

A folding e-bike held together with aerospace glue

The FLIT M2i swaps the welds on its aluminium frame for structural adhesive. Welding weakens thin tubes; bonding buys back alignment and weight, but raises repair questions that are not new.

The feed

Sources spotted by IRZ this month, ranked by editorial relevance.

6
X (@kenchangh) / GitHub

Vibe-coded a digit recognition chip (Ken Chang)

Ken Chang admits he cannot write Verilog but let an AI co-write an MNIST digit classifier (64→32→10 MLP, ternary hard-wired weights, no RAM/ROM) heading for a TinyTapeout SKY 26c shuttle on SkyWater 130 nm, with bit-exact cocotb checks against the model.

Hacker News

Show HN: Laser Graffiti

Laser Graffiti brings the Graffiti Research Lab idea back in the browser: a webcam, a projector and a laser pointer are enough to paint on a wall, with homography calibration and a burn mode faked by subtracting light.

Mason Mirabito (blog) / Hacker News

Kmart Digicam mod part 2

Mason Mirabito keeps modding his cheap Kmart digicam: the $20 eBay lens turned out to be a Super 8 projector lens, forcing a full redesign of his 3D-printed adapter and a hunt for a way to move the sensor closer to the lens.

Mason Mirabito (blog)

Modding a Kmart Digicam to take C mount lenses Part 1

Mason Mirabito opens the Anko JLR-80051 camcorder bought at Kmart and designs a deliberately oversized 3D-printed C-mount adapter, meant to be filed down to the correct flange distance once the lens arrives.

Green Lightning (blog) / Hacker News

Hacking IKEA Furniture

Michael Green (Green Lightning) built two workbenches by screwing the top of his old desk onto 2×2 KALLAX units through MDF boards and rubber, for ~€130 each against ~€1,000 for custom work, showing how a cheap standard module becomes a constrained, reversible fabrication platform.

Selected

Worth keeping close

  1. 01The report says 94%. The signature says it ran. Don't mix the two.Léa Perrin
  2. 02Quake's shareware CD contained the games you still had to buyNoé Lambert
  3. 03Thousands of screws must remember how this building comes apartClara Besson