This is a small dial present on most butane torches and lighters that controls how far the flame projects when the torch or lighter is active. Depending on the precise model of your torch or ...

Easy to use and typically reasonably priced, they are worthy of valuable kitchen cupboard space to have on hand when the ...

But other than that, this homebrew cold plasma torch (YouTube ... The result is a faint blue glowing flame that’s barely above room temperature but still has all the reactive properties of ...