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Trapped atomic ions are among the most advanced technologies for realizing quantum computation and quantum simulation, based on a combination of high-fidelity quantum gates1,2,3 and long coherence times7. These have been used to realize small-scale quantum algorithms and quantum error correction protocols. However, scaling the system size to support orders-of-magnitude more qubits8,9 seems highly challenging10,11,12,13. …
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Quantum computing surpasses classical computing in both speed and memory usage. It opens a way to make predictions of physical phenomena which were previously impossible. Quantum computing is often seen as a paradigm shift from classical or conventional computing. Conventional computers use bits (0 or 1) to process information. On the other side, quantum computers …
Call it the Avengers of futuristic computing. Put together two of the buzziest terms in technology — machine learning and quantum computers — and you get quantum machine learning. Like the Avengers comic books and films, which bring together an all-star cast of superheroes to build a dream team, the result is likely to attract …
Quantum entanglement (illustration) is one of the effects that underpins quantum-computing technology.Credit: Peter Jurik/Alamy Physicists have taken the first step towards building quantum computers out of individual molecules trapped with laser devices called optical tweezers. Two teams report their results in Science on 7 December1,2, in both cases making pairs of calcium monofluoride molecules interact …