A 3D-printed Portal turret makes for the perfect watchdog for your very own Enrichment Center.
Lesson one: sentry robots are highly combustible and make excellent distractions.
What do you get when you pit Nerf guns against zombies and put Chatroulette in charge? This awesome video.
We don't have X-wing fighters just yet, but we may soon have their laser weapons. DARPA is working on a system that's downright Lucasian.
There's some new Batman controversy about the size of his Batmobile cannon. Plus, we'll learn how to live forever thanks to fruit flies and Rockstar Games dishes out info about GTA V on new-gen consoles.
While we're sure the novelty will wear thin rather quickly, this motion-sensitive, miniaturised Portal turret has all the right moves.
Fans have banded together to create a bunch of Portal turret-themed videos for the unofficial "Turret Week".
"A Song of Weddings and Woes" graphics describe the big days for six Westeros couples. It's not all lace and flowers (except at Renly's affair).
The battleship USS Arizona, sunk during the attack on Pearl Harbor, has undergone extensive underwater 3D scanning to preserve this historic monument.
Robotics student builds a turret that talks, tracks movement with a laser-guided system, and fires foam bullets at its target.