a simple do-it-yourself solar USB charger that fits cozily in an Altoid tin! The DIY project will charge most mobile devices via USB using 2 rechargeable AA batteries and flexible thin-film solar panels. Read to learn what you need to build your own!
How to make candle wicks: Soak wick overnight in 4 tbsp borax, 2 tbsp salt, c. Use butcher twine or thick cotton string. Once fully dried dipped in candle wax times! Use a pop can tab to keep wick on bottom of jar when pouring in wax.
One of the best survival fire-making tools is a combination of cotton balls and petroleum jelly, and you can make these firestarter kits for pennies. Basically, you infuse (or gob) the cotton balls with Vaseline or some petroleum jelly derivative (such as