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Quantum Computing – the four challenges ?>

Quantum Computing – the four challenges

For all the spilled ink and breathless prose about quantum computing (QC), there remain four major challenges to overcome before it takes the place of classical silicon computing. • Coherence (the quantum state of data) • Entanglement (quantum teleportation) • Error Correction • Languages and compilers The PC on your desk, the smartphone in your pocket, and the biggest computers at the NSA manipulate bits that can be either on or off, one or zero, true or false. In 1981,…

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