One thing that flies under everyone’s radar in consideration of the apocalypse is forecasting weather. You just don’t think about it, or how to do it until you stuck in a downpour with no shelter. Chris for The Art of Manliness blog gives us exactly what we need to, as he puts it, Forecast the Weather Like Daniel Boone. From reading clouds to common sayings about weather to reading barometric pressure, its everything you need to know in order to make some basic forecasts about weather.
Part of the problem with making a sundial is accuracy. You have to take into account your location, elevation, and in the case of a vertical sundial, the direction its facing. There are ways to make the calculations (which I’m sure I’ll get into at some point), but now there’s no reason to. Damia.net has a web app that interfaces with Google Maps to get most of the information you need to make a sundial, but then does all the calculations for you and generates the sundial. All you have to do is print it out! Granted, this tool isn’t helpful at all after the society-destroying event finally occurs and there is no more Internet, but it could be helpful to make one in preparation!
Create your vertical sundial [Damia.net]
Sometimes you find something interesting on the Internet that is relevent outside the context it was originally published. This is the case with this article I found on Lifehacker which points to an article on Instructables. In this edition of Found on the Internet I direct you to a simple way to waterproof a flashlight using the inner tube from a bicycle tire. You can buy fancy flashlights that are engineered to be waterproof, but considering the impromptu nature of surviving Armageddon, you may not have access to one of these. As it is pointed out in the article, water and electricity don’t mix. Water in the flashlight can cause a short, or worse, cause corrosion and permanent damage to your flashlight. It is IMPERATIVE to keep your flashlight dry and this is a perfectly effective way to do so.
Quick Easy Waterproof Flashlight using an inner tube [Instructables]