Argues that trigonometric calls (sin, cos, acos, etc.) are often unnecessary inside 3D algorithms and demonstrates how dot and cross products (and simple algebraic identities) can replace them to compute orientations and rotations more robustly and efficiently.

3D-knitting uses computerized Wholegarment machines to knit entire seamless garments from 3D digital designs, dramatically reducing waste and seams while enabling on‑demand customization, better fit, and improved durability. The article covers the technology’s origins (Shima Seiki), compares it to cut‑and‑sew/flatbed/circular methods, and highlights sustainability, production efficiency, and cost benefits.

s@ (sAT Protocol) is a decentralized social networking protocol that stores each user’s encrypted posts on their static website and performs client-side feed aggregation; identity is domain-based and cryptography (X25519 + XChaCha20-Poly1305) is used to encrypt content per-follower so only mutual followers can read posts. The system is serverless and intended for small, friend-only networks and is deployable on static hosts like GitHub Pages, trading scalability for simplicity and privacy.