Every science fiction fan who grew up watching the "Star Wars" movies has only ever wanted one thing: a real-life lightsaber ...

We’re pushing closer than ever to building a real, handheld lightsaber—but it comes with serious risks. Using liquid oxygen and advanced engineering, even the smallest mistake could be catastrophic.

If you’re into building tech toys, you’ve probably wondered how easy it would be to make a light saber from off-the-shelf parts. Turns out it’s actually pretty easy, and not very expensive either. And ...

Star Wars just rewrote the rules for lightsabers--and they just got so much cooler.