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RIKEN team cuts errors in simultaneous control of five silicon spin qubits

Researchers at the RIKEN Center for Emergent Matter Science, working with collaborators, demonstrated high-accuracy control of five silicon spin qubits operated at the same time over a shared microwave control line. The team identified a key source of errors that arises when qubits are driven simultaneously and developed a method to suppress it, publishing the results in Nature Physics.

sciencedaily.com · 2026-10-26

RIKEN study finds protein memory in fruit flies linked to lifespan

Researchers led by Fumiaki Obata at RIKEN's Center for Biosystems Dynamics Research reduced yeast (protein) content in fruit fly larvae's diet from 8% to 1-2% during the mid-larval stage, then returned them to normal food as adults. The protein-restricted flies lived longer than well-fed siblings but were lighter, paler, and laid fewer eggs; adding amino acids back to the larval diet erased the longevity benefit, suggesting the body retains a 'nutritional memory' of early diet.

arstechnica.com · 2026-09-29