Joanna, by binding the wires together, do you mean solder? If you want to solder wires together, you can use a solder gun which plugs into the wall and doesn't require a natural gas line, an open flame, or a tank of gas sitting around (boom!). The solder gun gets hot though, so use the same care you would with a high-heat hot glue gun.

The solder and flux that you use will be low-heat however, and will depend on what kind of metal you'll be working with. Any hardware store employee will be able to help you find the right materials if you tell them what you're going to be doing.

I am sure it will depend on the metal you are using and the melting point of that metal. I would experiment and see if it will melt together. In my experience, some sort of welding agent was used, solder or something like that, but you may not need it. It will just depend on the metal.

Joanna, the wires themselves should melt but to keep them together you will still need the flux as a binding agent... i used to work in hardware ... if you are going to be using the propane torch, just be careful as 14-16 gage wire is still kind of delicate and unless you are super careful with that torch you may burn the wires in two... i think perhaps the soldering gun may be a better prospect as the temp is lower than the open flame and you can control the burn better...

post pics of your finished project... i'd like to see them

you should check out the Wig Jig site. they have tons of wire supplies.

wigjig.com is the web site i believe. if you cant find it just google it.

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A propane torch will not melt most metal wire, you can use some soldering techniques as mentioned, use a flux cored wire.

It really does depend on what metal alloy wire you use. you will need to be cautious when you heat and cool steel wire again and again (over anealing)... it will become soft, brittle and break apart easily.

I used to do a wire sculpture workshop for kids. There is a great deal of binding that can become part of the design by tight wrapping, braiding and looping.

As for the cold fusion product as seen on TV... I had a friend buy one for some electrical work and it simply didn't work,,, then fell apart in his hand... literally.