File 001 · Nuclear & Radiation
How to Survive a Nuclear Attack: What to Do, Minute by Minute
How to survive a nuclear attack, step by step: what to do in the flash, the first 15 minutes, the first 24 hours and the first week, per FEMA and Ready.gov.
Nuclear & Radiation
Nuclear scenarios attract more myths than any other. These files explain blast, heat and fallout in plain physics, show what official planning guidance actually says, and turn it into steps you can follow in the first hour, day and week.
5 files on record
File 002 · Nuclear & Radiation
Nuclear Fallout Shelter in an Apartment: Where to Go and How to Improve It
No basement? Learn how a nuclear fallout shelter in an apartment works: protection factors, the best floor and room, how to add mass, and when to move.
File 003 · Nuclear & Radiation
How Long Does Nuclear Fallout Last? The 7-10 Rule Explained
Fallout loses about 90% of its intensity in 7 hours and 99% in 2 days. Here is the 7-10 rule, the math behind it, and why you still shelter for 24 hours.
File 007 · Nuclear & Radiation
Potassium Iodide for Radiation: What KI Pills Do and Don’t Do
Potassium iodide protects only the thyroid from radioactive iodine. See the FDA dose table by age, timing, who should skip it, and why salt and tincture fail.
File 010 · Nuclear & Radiation
Safest Places in the US During a Nuclear War: What the Data Shows
Where would the US be hit in a nuclear war, and where is safer? FEMA's own planning data, current force sites, fallout winds and the limits of every map.
Other scenarios