Optics2026-03-051 minarXiv:2603.05346expressShort Laser Pulse Twists Light into a 3D CorkscrewA sharp tug on a twisted cord sends a spiral wave along it. Similarly, an ultrashort laser flash in a RhSi crystal gives birth to light instantly twisted into a three-dimensional corkscrew.Alba de las Heras·Ofer Neufeld·Angel RubioCharles Townesphotonic crystalsspectroscopy👍👎☆SimplePopularAdvanced