Gamma Energy visits the Aperture Science East facility, built after GLaDOS gained sentience. The goal was to create a facility where GLaDOS' research could be examined and tested without harm to employees or other people who actually... mattered, without her knowledge. Pick up a prototype Portal Device and try not to die.
Those energy pellets aren't just used for portal gun testing.
electricity? a new game play mechanic! :D
COOL
tesla reaktor :D
Actually, simply a Reactor, with a Tesla Coil built around it.