Qubits made from strontium and calcium ions can be precisely controlled by technology that already exists

Of the many divergent approaches to building a practical quantum computer, one of the most promising paths leads toward ion traps. In these traps, single ions are held still and serve as the basic units of data, or qubits, of the computer. With the help of lasers, these qubits interact with each other to perform logic operations.

from Phys.org - latest science and technology news stories https://ift.tt/3aUnkJ2

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