
The study of fluids and physics with buoyancy involves some important principles: buoyancy, fluid motion, fluid resistance, and a Reynolds number.
Hygiene is a typical routine for most people but cleanliness in the wilderness is sometimes ignored by even the most devout germaphobe. In a wilderness survival setting, we tend to focus on food and water and forget that poor hygiene can lead to infestations, infections, and skin disease. Even eating and drinking with dirty hands…
According to U.S. government guidelines, for emergencies, it is recommended you store at least one gallon of water per person. About ¾ of the water would be used for consumption with the remainder used for sanitation. How do you stockpile water and ensure it remains safe to drink in an extended emergency?
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…
When Spanish conquistadors returned from the Amazon following their quest for mythical gold, they spoke of nightmarish conditions – rampant disease, strange poisonous plants, huge man-eating snakes – and a river that boils from below “as if lit by a great fire”. Scientists have long said the story about a boiling river was nothing more…