Solar storms may be invisible, but they can quietly knock out satellites, blackout power grids, and disrupt global communications. Scientists call this space weather—and for decades, it was hard to monitor in real time. That’s where the Daocheng Solar Radio Telescope (DSRT) comes in. Perched 3,820 meters above sea level in southwest China, DSRT is the world’s largest solar radio telescope of its kind. Its 313 antennas form a one-kilometer-wide ring around a 100-meter calibration tower, scanning