GLaDOS explains the difference between fusion and fission for NASA

When NASA ’s Jet Propulsion Laboratory wanted a spokes - AI to explain how fusion and nuclear fission oeuvre , they tapped GLaDOS , the skill - loving antagonist from the Portal games . But once GLaDOS gets inside NASA , can anyone stop her ?

Ellen McLain , the actress who voices GLaDOS , reprise her purpose in this educational sketch for the education & public outreach department of NASA ’s Spitzer Space Telescope . It ’s dainty to see that GLaDOS ’ affectionateness for science is so great that she earnestly educates her unwitting information processing system technician on the wonders of natural philosophy even as she otherwise attempts to betray them — and that , even without Chell as a target area , she ’ll still indulge in a morsel of psychological mayhem .

[ viaThe Mary Sue ]