Robots inspect nuclear waste canisters for damage at San Onofre

The robot that inspected spent fuel canisters at San Onofre (Courtesy Southern California Edison)
The robot is lowered into a vault in the Holtec Hi-StormUMAX dry storage system at San Onofre. (Courtesy Southern California Edison)SoundThe gallery will resume insecondsA clunky robotic device resembling a tiny car — equipped with a 3-D camera — has been crawling up and down canisters loaded with nuclear waste at San Onofre’s concrete bunkers, trying to quantify the depth and brea