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Quantum computers use quantum bits (qubits) that, in addition to encoding the states 1 and 0, can be placed in combinations of the two. Several types of qubits are currently used, and now a research team has demonstrated that single electrons can be trapped effectively enough to potentially serve as a new, more efficient type of qubit [1]. The researchers trapped electrons for a record time of 1 s. They say their results imply that electron qubits could be used to make faster quantum computers.

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