This 12-year-old is designing a new way to detect tornados

When Anirudh Rao was 4 years old and living in Nashville, his friend’s house was destroyed by a tornado. A year later—yes, as a kindergartner—Rao started sketching a potential solution for better tornado warnings.

Now 12 years old and living in Colorado, Rao is pursuing a more advanced version of his concept: a network of drones that could theoretically sense infrasound, a wave phenomenon emitted before and during tornadoes with frequencies below the threshold of human hearing.

“On the outskirts of the city...