Owen Hughes is a freelance writer and editor specializing in data and digital technologies. Previously a senior editor at ZDNET, Owen has been writing about tech for more than a decade, during which time he has covered everything from AI, cybersecurity and supercomputers to programming languages and public sector IT.
Researchers have set a new record for quantum entanglement — bringing reliable quantum computers a step closer to reality. The scientists successfully entangled 24"logical qubits" — low-error quantum bits of information created by combining multiple physical qubits. This is the highest number ever achieved to date.
Unlike the binary 1s and 0s of traditional computer bits, qubits operate on an entirely different set of mechanics — quantum mechanics, to be precise. While qubits can exist as 1s and 0s, they can also exist as both at the same time, a phenomenon known as superposition. This makes measuring qubits a major challenge.Two other quantum phenomena, coherence and entanglement, throw additional spanners into the works.
By submitting your information you agree to the Terms & Conditions and Privacy Policy and are aged 16 or over.Enter the logical qubitIn recent years, researchers have increasingly focused on logical qubits as a means of overcoming the fragility of physical qubits. While 24 may not seem like a huge number, the ability to entangle this many logical qubits represents a key milestone toward creating scalable, fault-tolerant quantum systems, the researchers said.
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