How to solder without a soldering iron?

The simplest kind of soldering is just connecting two wires together. This can be done by heating the wires directly and doesn't require any kind of a soldering iron. Take two wires and strip the insulation off of the ends. You want there to be about one inch of exposed metal on each wire. Then twist the wires tightly together. read more

In this video from Make's YouTube channel, Jason Poel Smith demonstrates the different ways you can solder wires and electronics without the need of a soldering iron. Smith explains that soldering two wires together doesn't even require a soldering tool, but if you need to do some more intricate work, steel is the best choice for an impromptu tool. Steel wire, screwdrivers, nails, and Alan wrenches are all potential tools for your emergency soldering. read more