Real-life retractable lightsabers create plasma by combining liquid propane gas and oxygen gas with a lot of heat. Read more: 12 Smart Gadgets You Didn't Know Existed The first person recognized ...

A real lightsaber would generate a blade of plasma from inside the handle, according to Dr Alex Baker, a chemist at the University of Warwick. When switched on, a battery in the handle would pass ...

It’s basically a lightsaber. Except smaller. And with an invisible blade. And cold to the touch. But other than that, this homebrew cold plasma torch (YouTube, embedded below) is just like the ...

His twist is to force the plasma into a sheet between the electrodes ... It’s not really his first lightsaber rodeo, but at least this one doesn’t need butane.