Archive

Tech

IRZ news, analysis and ideas about Tech.

A surgeon in an operating room lifts the open-lattice titanium tibia prosthesis between gloved fingers

A titanium-lattice tibia, filled with real bone

Madrid's Gregorio Marañón hospital printed a tibia prosthesis whose structure imitates bone mechanics. A year on, the patient walks. The deeper story: a public hospital turned certified device manufacturer.

An open white iBook G4 with keyboard and trackball visible

A 2004 iBook G4 Finally Talks To Your Modern NAS

AquaLink connects a Tiger-era iBook G4 to a modern SMB3 NAS through libsmb2 and a tiny local WebDAV server. What matters is the method: wiring an abandoned machine back in, kernel untouched.

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

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.

A piece of space fabric tearing apart during a cloth dynamics simulation in Blender

Blender's physics now lives in a node you can open

With 5.2 LTS, Blender moves hair and cloth into Geometry Nodes: an XPBD solver becomes a graph component, constraints become editable data, and a rigid-body engine borrowed from AAA games is on the horizon.