Tong Wu

In a thin nickel oxide film, magnetic regions are arranged in strict order like mosaic pieces. A single laser pulse instantly heats the material, and the mosaic falls apart: domains lose their orientation and mix.

By 2025, large language models like GPT are no longer just chatting: they're helping scientists run experiments. But the same tool could fall into the wrong hands. A team of researchers built a digital proving ground to find out.