Lightsabers are the most sacred weapons in the Star Wars universe and only a handful can yield the power. It could cut through metal and slice the aliens. But while it was science-fiction, the idea did generate popularity among enthusiasts who tried to replicate the device into functioning prototypes.

But with engineering challenges, most of them met with difficulties until now. A popular YouTuber, who is also an engineer by profession, and his team have built probably the world's first functioning plasma-based lightsaber that burns at over 4000° Fahrenheit or around 2200° Celsius.