Actually r4di0fly3r's motion-tracking turret probably won't keep intruders out. But it will startle them. And it will probably keep cats and dogs out from sheer terror of "OH GOD WHAT IS THAT."
We've seen artist TwoHornsUnited come up with some Portal referencing gas masks
Anyone who's played a Portal game knows that Aperture Science's charmingly neurotic turrets are full of bullets. And CEO Cave Johnson showed off their design in this teaser video last year
Here's a lovely little Instructable that shows how to make a Portal turret out of our favorite plastic building bricks suitable for desk or headboard. Now you're thinking with elements.
Complete with a red laser eye and motion-sensing sound bytes, video game replica prop master Ryan Palser's latest creation is only one assload of bullets away from being a really bad idea.
