Letter Re: Useful LifeHacker Articles
Mr. Rawles: There are so many great and not-so-great ideas on the LifeHacker site including this one I found showing you how to use C cell batteries in place of a D cell compartment in an emergency situation: There are some other interesting things on this site like creating make-shift air conditioning systems using cold well water (others have made emergency air conditioners using beverage coolers, fans and copper coils): DIY Heat Exchanger and Make Your Own Air Conditioner. There is this one showing you how someone made hand washing more efficient while filling the tank of his toilet. [JWR …