The dream of a real lightsaber has always sounded like a physics joke, not an engineering brief. Yet a retractable plasma blade that can slice through steel has forced a small Canadian workshop to ...

Hacksmith Industries created a retractable plasma lightsaber that burns at 4,000°, melting steel and glass. Though not yet as hot as Star Wars’ fictional blades, advancements hint at more portable, ...

YouTuber the Hacksmith (aka James Dobson) has been able to create a real-life "proto-saber"; an energy sword with its own power source that reaches at incredibly high temperature. Hobson's saber ...