Cover illustration of the journal Nanoscale (Royal Society of Chemistry), selected as the front cover for the issue featuring this research (Sun et al., 2026). Credit: Cover artwork by Yutaka Majima. Courtesy of the Royal Society of Chemistry. Researchers created a tiny memory device that improves as it gets smaller, breaking a key limitation in electronics. This could lead to longer battery life and more energy-efficient devices. Have you ever felt your phone heat up after extended use or watch...