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, ...
Few sci-fi weapons are more mind-blowing than the lightsaber made famous by Luke Skywalker in Star Wars. Capable of cutting through metal and deflecting laser blasts, its the iconic Jedi accessory, ...