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Control Room & Platforms
Cave here. Greg tells me that the Aperture you just walked into might have developed some kind of antigravity technology, so you should watch out for pieces science hovering in midair. His advice is to lock your partner in that little glass-walled room with all the buttons on the off chance that you start floating above the ground and can't get back down. My advice is you ignore his advice, fly up to the floating platforms, and see if you can swipe one of their dark matter crystals or whatever they use and bring it back here so Greg can reverse-engineer it. What would you rather do, ride around on a manly tornado of dark matter laughing at gravity, or watch your partner from behind the glass and cry like a pansy? Cave Johnson, we're done here.