Sure, why not. There are a few more tools you'd like to check out before going through the newly exploded hole into the OBSERVATION room.

You use the BAD GATEWAY code on one of the WINDOW UNITS to make a BAD WINDOW UNIT. You guess that it will now spit things back out if thrown into it, basically exactly the same as the not-portal portal it made before. The main difference is that the frame makes the portal more tangible and moveable, along with protective glass covering. Neat!