We built a fully retractable plasma lightsaber—now it’s time to see if it actually works! 🤯 With temperatures over 4000°F, can this real-life lightsaber slice through solid metal?

A laser could also be used to accelerate heavy ... So to all who still don't believe a real-life lightsaber match is doable, I find your lack of faith disturbing. Read next ...

Lightsabers have enchanted audiences since ... The closest human analog to Jedi technology is the laser, and this build uses 8 of them in combination with two LEDs. They’re aimed to coincide ...