Learning + Tutorials

We humans can go several weeks without food, but think about it...how well will you function? Have you ever tried fasting for a full day? Two days? Try it.

Headaches, loss of energy, confusion, and lack of focus can all happen within 12 hours of your last meal.

How long can your kids go without eating? Ours can go a whopping 12 minutes...

As you probably know you can use radio waves to talk to people over the air. But did you know you could also send digital signals as well?

If you don't always carry a compass around with you (who typically does?) then having the knowledge of how to find out your direction and where you want to go could be lifesaving.  

Editor’s note: The following excerpt was taken from FM 21-76: Survival Evasion and Escape, an Army field manual published in 1968.