Drone racers compete at the Maker Faire at the San Mateo Event Center in San Mateo, Calif., in May.
Drone racers compete at the Maker Faire at the San Mateo Event Center in San Mateo, Calif., in May. Dan Honda Tribune News Service
Drone racers compete at the Maker Faire at the San Mateo Event Center in San Mateo, Calif., in May. Dan Honda Tribune News Service