The lightsaber was one of the coolest and most iconic visual effects from the original Star Wars, and people have been trying to get that particular piece of movie magic off the silver screen for ...

This test isn’t about style or spectacle it’s about limits. A proto-lightsaber pushing temperatures around 4000 degrees meets real-world materials, and the results are immediate and unforgiving.

Armed with 4000 degrees of raw plasma power, this prototype lightsaber is put to the ultimate test — slicing through wood, metal, and more like they’re nothing. This is no special effect. It’s a real, ...