SCIENCECONVEY
NEW SCIENTIST·JUNE 3, 2026

Atom-based quantum computers are catching up in the race to usefulness

VERIFIED FACTS
  • 01Atom Computing built a neutral-atom quantum computer that can repeatedly catch and correct its own errors
  • 02The team increased the size of qubit groups for error correction from 16 to 32 qubits without introducing additional errors, with error rates actually lower for the larger grouping
  • 03The quantum computer kept running error correction checks up to 90 times in a row
  • 04In 2023, Google simultaneously increased qubit number and decreased error rate in a superconducting quantum computer
  • 05In 2025, a University of Science and Technology of China team increased qubits while decreasing error rates
  • 06In 2025, Harvard University researchers demonstrated the same capability in another neutral-atom quantum computer
  • 07Mark Saffman noted that some additional errors did accumulate after the 90 rounds of error checking
  • 08Ben Bloom stated the approach is now about building the system 'better, faster, cheaper' rather than making big step changes
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SUMMARY

Atom Computing demonstrated a neutral-atom quantum computer that successfully performed error correction repeatedly—keeping error checks running 90 times consecutively—while increasing qubit group sizes from 16 to 32 without introducing new errors. The achievement joins recent milestones by Google, Harvard University, and Chinese researchers in advancing competing quantum computing technologies. Researchers say the work demonstrates neutral-atom systems are viable competitors to superconducting approaches, though some experts note additional errors still accumulated over extended operation.

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