Consider a supercomputer so fast and powerful that it generates simulated models to better understand everything from irregular human heartbeats to earthquakes. Picture tiny brain implants that can restore sight and possibly memory. Or what about the world’s largest laser, with powerful beams,zooming rocket-like across three football fields—research that could lead to future sources of clean energy?

This is the world inside the Lawrence Livermore National Laboratory, a national security lab 50 miles east of San Francisco.

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