by Marcus Hermansson | Jan 21, 2026 | "Science", Computer Science & AI, Engineering & Materials, Medicine, Physics & Cosmology
Context: This is a follow-up to my earlier post on the Venezuela “sonic weapon” rumor and the real vulnerability hiding in headsets. This post is a defensive advisory: it explains the biology, maps additional vector classes (A–F), and lists practical hardening steps....
by Marcus Hermansson | Jan 20, 2026 | "Science", Computer Science & AI, Engineering & Materials, Medicine, Physics & Cosmology
Disclaimer (important): The “sonic weapon” claim tied to the Venezuela raid is unverified and largely traces back to viral testimony and social media amplification. This post is a physics + security analysis of what could explain the symptom-shape people are...
by Marcus Hermansson | Sep 16, 2025 | "Science", Engineering & Materials, Medicine, Oncology
TL;DR We propose an inhalable nanoparticle system that biases toward lung-tumor regions (via pH-sensitive retention) and, when exposed to clinical X-rays, polymerizes in situ into a thin hydrogel “mesh.” The intended role is adjunctive: help limit cell shedding at...
by Marcus Hermansson | Sep 14, 2025 | "Science", Engineering & Materials, Physics & Cosmology
TL;DR The classic problem: you can’t time a one‑way light trip unless your two clocks agree first. Most ways to make them agree secretly use light. Our rule: no light to set the clocks. Our move: build a home‑made time standard from sound sent through three very...
by Marcus Hermansson | Sep 14, 2025 | "Science", Engineering & Materials
TL;DR — Galinstan (Ga-In-Sn) is a room-temperature liquid metal with a big coefficient of thermal expansion and excellent thermal conductivity. Heat it and it expands—hard—which you can convert into precise hydraulic force. That unlocks actuators and flow control that...