<p>➀ Researchers achieved 98% accuracy in quantum gate operations using 3D-printed ion traps, enabling stable qubit performance with reduced fabrication time;</p><p>➁ The traps, produced via two-photon polymerization, shorten production time to hours and allow rapid testing of new hybrid planar-3D designs;</p><p>➂ The breakthrough supports applications in quantum computing, atomic clocks, and sensors, with findings published in <i>Nature</i>.</p>