Optics2026-07-021 minarXiv:2607.02352expressLight Trap for NanoparticlesLight flows like an invisible river. If you place an obstacle in the stream, the water whirls into eddies. Likewise, specially designed surfaces create light 'whirlpools' that catch nanoparticles like wood chips.Emadeldeen HassanAlain AspectAlbert EinsteinCharles Townesquantum opticsoptical microscopyspeed of light👍👎☆SimplePopularAdvanced