Experimental demonstration (IMAGE) Optica Caption The researchers demonstrated light-induced thermomagnetic recording for the first time. The magnetic direction changes direction after light is coupled into the magnetic area of the CoFeB magnetic film on the silicon waveguide. Credit Toshiya Murai, Tokyo Institute of Technology Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.