Portal 2 images/spoilers (part 2)

Here's a second batch of signs and moments from Portal 2, which is outstanding. You can see part one here.


In the event of rogue AI, use a paradox.



Test.



Blue screen of death.



No loitering.



My new boss is a robot.




Aperture Science, bringing humans and robots together.



Have you submitted to your monthly quota of testing?

*Previously: Lego Atlas and P-Body.