1 🚀 产品观察 TechCrunch 2026-06-03 💬 The world’s largest privately owned laser just turned on 全球最大私有激光器刚刚启动，为商用核聚变发电迈出关键一步，背后技术模仿NIF装置。 Fusion startup Xcimer fired up the world's largest privately owned laser. 激光聚变 私有激光器 可控核聚变 能源技术 商业发电