Sphere’s BB-8 bot was one of the coolest toys to come out of the Star Wars: Force Awakens glut last year. It was a minuature version of the little dude from the movie, but controlled by your phone (and hackable via Sphero’s other apps). But now the BB-8 bot is all grungy looking and can be controlled with the FORCE.
Killjoy physicists have long pointed out the sheer unlikelihood of building a working light saber. But now, they’ve taken a small step toward realizing the dream of Star Wars fans worldwide, by figuring out how to get photons to stick together like molecules in a super-chilled gas.