How to survive a nuclear attack and shelter against radioactive fallout debris from a nuclear bomb explosion

After a nuclear bomb is detonated, residual radioactive material is propelled into the upper atmosphere. The material then falls from the sky, showering earth with radioactive debris. Fallout from a nuclear blast has unique properties and thus, distinct requirements for sheltering against and surviving its deadly effect.

Clean earth filter water gravel dirt to remove radioactivity from contaminated water sources

The most basic of water filters is the clean earth filter. Although not ideal for producing crystal clear clean drinking water, it does have the added advantage of filtering out some components that other filters are unable to remove. For instance, a basic clean earth filter can filter out 99% of radioactivity in water making…

Thermite is an easy-to-make compound that produces an explosive exothermic reaction, creating a brief burst of extremely high temperature – enough to weld metal, explode steam, and even burn through concrete.

A bow drill is most often used for starting a fire – it’s the most efficient fire starting method – but a bow drill can be used for drilling holes too. A bow drill consists of five basic components – spindle (or drill), board, socket (aka handhold or bearing block), string, and the bow..

How to escape a car that has been submerged under water

About 400 people die each year from drowning inside their own submerged vehicles. Here’s how to escape a car submerged under water.

Morse code is a method of transmitting textual messages using a series of patterns. Each text unit in the pattern can be represented (or reproduced) using on-off tones (sound), flashing lights, or clicks representing “dots” and “dashes” (known as dits and dahs).

Animal Tracking and Signs guide – how to track any animal (even people) - Elk, bird, and bobcat tracks

Tracks and signs (collectively termed “spoor” by trackers) include any kind of mark or disturbance left by the passing or activity of an animal or person. Because anything that touches an object leaves a trace, tracks and signs can be found everywhere. With knowledge and practice (tracking animals is both a science and an art),…

Topographic maps describe the shape of the land and can be used to help you locate natural and man-made features like woodlands, waterways, important buildings, and bridges. The information derived from a topographic map can help you locate sources for water and even if a clearly-defined water resource is not visible on the map, you…