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Expert CBRN specialist walks you through the critical first 72 hours after a nuclear detonation. Learn shelter construction, radiation protection, and decontamination procedures.
DIY tripwires, motion sensors, and natural barriers to detect intruders befor...
Plants you can use to fight infection when modern medicine is out of reach.
Repurpose old motors to create a manual charger that works anywhere.
Essential skills for treating trauma and infections when help isn't available.
Ancient techniques using the North Star and other celestial bodies.
Understanding radiation units and using detection equipment safely.
