This video is part of Science of Sci-Fi, Mashable's ongoing series dissecting the science (or lack of science) in our favorite sci-fi movies, TV shows, and books.
The lightsaber made its debut in 1977, and still holds a special place in pop culture, and our hearts. We're sure you've played with some sort of lightsaber toy, but have you ever wondered how the weapon actually works? We got you covered.
