chilly warm soldering irons are quite cool. They warm up in seconds as well as awesome down just as quickly. [photozz] shows us exactly how we can make one from stuff we most likely have sitting around ideal now. chilly warm soldering irons work off of resistance, the idea material heats extremely swiftly when electrical energy is passed with the two halves. Upon assessing what he had lying around, [photozz] realized that graphite would work much the exact same way.  He customized a routine soldering iron with a new two piece graphite tip, as well as powered it with an old PC power supply. The end result is rather nice, though it still needs some type of temperature control.  You may recall seeing other electrical utilizes for graphite, such as making quick as well as filthy light.