Nuclear fallout refers to the residual radiation hazard from a nuclear explosion, called "fallout" because it falls out of the atmosphere into which it is spread by the explosion.
 
 
Recommended Resources
KI4U is a licensed radiological laboratory, whose site presents a variety of guides, products and other resources intended to be of use in surviving a nuclear event, its primary product being Potassium Iodide (KI), purported to be of use in treating radiation poisoning, but also radiological survey meters, dosimeters and geiger counters.
http://www.ki4u.com/
Nuclear Blast & Fallout Shelters FAQ
This site features questions and answers on the subject of nuclear blasts, fallout shelters, and related topics. Included are free plans for those interested in building their own shelter.
http://www.radshelters4u.com/
Building an underground bomb shelter, bomb shelter planning, and important facts about nuclear bombs are featured here, and bomb shelter products and supplies are available for purchase.
http://www.undergroundbombshelter.com/