While Galen wonders, “Can man have really known so much and done so little with it?” I wonder what they’ve done with their backpacks… I mean, why wouldn’t they bring them along? The fugitive duo were not being pursued when they life the Science Institute; they had no reason to abandon any of their belongings—and even took the time to camouflage the vault containing the projector. Note that, leaning against the console in the background, is the Simian carbine that Burke liberated from the Gorilla he and Galen assaulted earlier in the story.