Publication | Closed Access
Quantum computers scale up: Constructing a universal quantum computer with a large number of qubits will be hard but not impossible
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2020
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EngineeringComputer ArchitectureClassic RubikQuantum ProgrammingLarge NumberQuantum ComputingDifferent StatesQuantum NetworkQuantum EntanglementPhysicsQuantum AlgorithmQuantum RoutersQuantum ComputersComputer ScienceNatural SciencesQuantum DevicesUniversal Quantum ComputerQuantum Error CorrectionQuantum AlgorithmsScrambled Cube
The classic Rubik's Cube has 43,252,003,274,489,856,000 different states. You might well wonder how people are able to take a scrambled cube and bring it back to its original configuration, with just one color showing on each side. Some people are even able to do this blindfolded after viewing the scrambled cube once. Such feats are possible because there's a basic set of rules that always allow someone to restore the cube to its original state in 20 moves or less.