Learning + Tutorials

You need to provide 1 gallon of water (3.7 liters) per person per day for you and each of your family members if you don't have access to clean water or a faucet.

Think about that for a minute. That's a lot of water. 

A half gallon (2 liters) is what you need for drinking each day - in warm weather or during periods of high stress or activity that amount could double.

Almost all of us carry instantly updated maps and GPS systems in our pockets these days in our phones, reducing the threat of being lost to almost nil.

But what would happen if you didn't have your phone, or the battery died, or your Tom-Tom took a swim? What if you just don't get any signal where you are?

Lets look at the old fashioned, never-fail navigation tool: the humble compass.

Earthquakes are rough. They come from out of nowhere and can be extremely serious very quickly.

They often lead to other circumstances: fires quickly spring up from broken gas lines and downed power lines.

And they almost never happen one at a time, aftershocks a commonplace and can be even more damaging than the original quake.