Phantom codes could help quantum computers avoid errors - New Scientist
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Detail of a QuEra quantum computer based on extremely cold atomsQuEra Algorithms called phantom codes could help quantum computers run complex programs without errors, overcoming a big hurdle for making the technology more broadly useful. Early on, some physicists doubted that quantum computers would ever be useful because they expected these devices to be too prone to hard-to-correct errors. Today, several types of quantum computers exist and have already been used for scientific discovery and exploration. Yet, while progress has been made, researchers have not managed to fully curtail the error-making problem. Read moreQuantum computers have finally arrived, but will they ever be useful? Advertisement Receive a weekly dose of discovery in your inbox. We'll also keep you up to date with New Scientist events and special offers.