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Patrick McGeehan writes in the NYT that the image of a pair of window washers clinging to a scaffold dangling outside the 68th floor of 1 World Trade Center have left many wondering why robots can't rub soapy water on glass and wipe it off with a squeegee relieving humans of the risk of injury, or death, from a plunge to the sidewalk? The simple answer, several experts say, is that washing windows is something that machines still cannot do as well as people can. “Building are starting to look like huge sculptures in the sky,” says Craig Caulkins. “A robot can’t maneuver to get around those curves to get into the facets of the building." According to Caulkins robotic cleaning systems tend to leave dirt in the corners of the glass walls that are designed to provide panoramic views from high floors. “If you are a fastidious owner wanting clean, clean windows so you can take advantage of that very expensive view that you bought, the last thing you want to see is that gray area around the rim of the window."
Another reason for the sparse use of robots is that buildings require a lot more maintenance than just window cleaning. Equipment is needed to lower people to repair facades and broken windows, like the one that rescue workers had to cut through with diamond cutters to rescue the window washers. For many years, being a window cleaner in Manhattan was regarded as one of the most dangerous occupations in the world: by 1932, an average of one in every two hundred window cleaners in New York was killed each year. Now all new union window cleaners now take two hundred and sixteen hours of classroom instruction, three thousand hours of accredited time with an employer and their union makes sure workers follow rigorous safety protocols. In all, there are about 700 scaffolds for window washing on buildings in New York City, says union representative Gerard McEneaney. His members are willing to do the work because it pays well: as much $26.89 an hour plus benefits. Many of the window cleaners are immigrants from South America. “They’re fearless guys, fearless workers."
(Score: 3, Insightful) by DrMag on Friday November 14 2014, @06:15PM
“If you are a fastidious owner wanting clean, clean windows so you can take advantage of that very expensive view that you bought, the last thing you want to see is that gray area around the rim of the window ."
So the reason we can't use robots is that wealthy people are offended at the sight of a little dirt and grime?
I wish there was some discussion about the technical difficulties and what it might take to make a robot that can do as good a job as a person--that would be far more worthwhile than hearing about whiny 1%ers.
(Score: 2) by TGV on Friday November 14 2014, @06:43PM
I agree with the sentiment (although your tone is a bit rough): it's absurd that people wage their lives in order to clean windows. The sad thing is: there are enough people willing to do it.
(Score: 2) by sjames on Friday November 14 2014, @08:45PM
Yes. That's why there's so much resistance to improving the general security of the working class, gotta make sure there's enough desperation to fill this sort of job opening.