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Devices and systems designed to operate across seven dimensions: spacetime, probability, initial conditions, and physical constants. 7D technologies allow users to experience universes with different physics—where gravity is weaker, light is slower, or time flows backward. The "constant twiddler" lets you adjust fundamental parameters to see what reality would be like. The "alternate physics simulator" lets you walk through a world where the laws are different (disorienting but educational). And the "fine-tuning detector" shows you just how precisely our universe's constants are set for life—which either inspires awe or makes you wonder why the universe cares so much about us.
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