Abstract
A report released Dec. 4 by the National Academies of Sciences, Engineering, and Medicine throws some cold water on the hype smoldering around quantum computing. The report finds no commercially viable applications for near-term quantum computers that cannot already be tackled with conventional computers. Unlike conventional computers, which represent information digitally as 1s and 0s in electronic bits, quantum computers use qubits. During quantum calculations, qubits can hold more information than a simple 1 or 0, existing in a combination of states called a superposition. Because of these superpositions, quantum computers should be able to solve certain problems exponentially faster than classical supercomputers and perform calculations that cannot be performed by conventional devices. With an ideal quantum computer, chemists could accurately simulate complex chemical bonds and predict the structures of new drugs, semiconductors, and efficient catalysts. Physicists and computer scientists are sure that, once high-performance quantum computers can be built,
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