A 3D-printed Portal turret makes for the perfect watchdog for your very own Enrichment Center.
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".
Robotics student builds a turret that talks, tracks movement with a laser-guided system, and fires foam bullets at its target.
Using a motion sensor, Ryan Palser's cool-looking turret even plays a preloaded audio track when someone comes near.
Italian defense department orders Hitrole remote-controlled machine gun turrets to enable soldiers in Afghanistan to aim and fire without exposing themselves to attack.
Boeing has mounted a high-energy laser weapons system into the belly of a C-130 aircraft. Watch for aerial tests next year in New Mexico.
A wireless turret can deluge the enemy while you observe from a distance.