In An Era Of Robots, Why Do Window Washers Still Climb Skyscrapers?
The window washers who spent a couple of hours clinging to their rig on the outside of the new World Trade Center in New York say it was a harrowing experience. Why didn't robots save them the trouble? Stephen Nessen, from member station WNYC, looks at why window washing is still almost always done by human hands.
Copyright 2020 NPR. To see more, visit https://www.npr.org.