Lady Gaga's Super Bowl LI halftime show on Sunday had something many viewers had never seen before: Hundreds of light-emitting drones flying in a synchronized pattern to show the American flag and, later, the Pepsi logo. How'd they pull that off? It's thanks to an Intel technology called Shooting Star, which lets programmers design airborne light shows with swarms of drones. Here's more on how Shooting Star works, via Wired: Each drone is about a foot long square, weighs just over eight ounces, and sports a plastic and foam body to soften inadvertent impacts. They aren't as flashy as consumer quadcopters, which is just as well, because you're not supposed to notice them.