Scientists in China say they have made a breakthrough on the way to developing practical processors for quantum computers by achieving the entanglement of multiple ultracold atoms in a laser trap.

While previous studies had only been able to entangle two atoms at a time, the team developed new experimental devices and methods to link eight and 10 atoms in two-dimensional blocks and one-dimensional chains, respectively, marking a crucial step towards preparing and manipulating large-scale atom entanglement.

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