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Theories on what would happen if theoretically you survived entering a black hole. Beyond the physical effects.? How do I get the ER to give me a mri? Need to find a and b such that x^4 - 8x^3 + 4x^2 + ax + b is a perfect square.? What numbers can be multiplied to equal -20 and added to equal 8? What the similarities between pillar and radial drilling machines?