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September 11 and the Rise of Robots

A technology spurred by tragedy takes hold.

Wed Aug 31, 2011 02:38 PM ET
Content provided by Susan Hassler, IEEE Spectrum
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THE GIST
  • Robots were among the would-be rescuers who came to the World Trade Center that day.
  • There was no one to save, but these robots proved their ability to navigate rubble and dangerous locations.
  • After 9/11, the idea that intelligent robots could help save lives was more widely accepted.
SUGV 320 military robot and a PackBot

Military robots such as the SUGV and the Packbot in development at Bedford, Mass.-based iRobot do things humans can't or don't want to do. Click to enlarge this image.
James Leynse/Corbis

September 11 had quite a different meaning for me before it became 9/11. It's my birthday. And early on that cool blue morning I took my daily run from our Chelsea apartment down the West Side Highway past the World Trade Center to South Ferry and back. I never thought much about the Twin Towers then, except sometimes to remember the convoluted history of how they got built in the first place, or to feel their overwhelming presence in what was then a low-rise part of Manhattan as I breezed past, with no sense of how gigantic their absence might become.

At work later that morning, when the news came in, we first thought "accident." After all, in 1945 a B-25 bomber had crashed into the 79th floor of New York City's Empire State Building. But how could this be on such an acutely clear day? Now, 10 years later, when almost any disaster is tinged with the possibility of terrorism, it's hard to remember a time when these thoughts were not second nature.

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Before anyone knew there would be no one to rescue, people from around the United States, and around the world, flocked to the city to help. Among the would-be rescuers who came that day and the ones that followed were robots. They were driven to the scene by engineers and technologists from places like iRobot Corp. and Foster-Miller in the Boston area, and from Robin Murphy's brand-new Center for Robotic-Assisted Search and Rescue, then at the University of South Florida, in Tampa, and now at Texas A&M University.

While they saved no one, these robots were able to traverse some of the vast debris field, going where humans and dogs dared not, demonstrating indisputably that they weren't toys or expensive curiosities but viable machines capable of standing in for humans in dangerous situations. As Murphy has noted, before 9/11 the idea that intelligent robots could help save lives at disaster sites was dismissed as science fiction. But not after.

To be fair, the artificial-intelligence community and the military were skeptical for good reason. While serious work on robot development had picked up in the 1990s, the problems facing robot builders were intractable and expensive: Computer vision was still slow and unreliable; robotic control, remote or autonomous, was tenuous. Sensor-based navigation was demonstrable but fragile. Materials and motor technologies were rudimentary, and sensors weren't small enough or smart enough.

But since 9/11, work and progress in all these areas has accelerated dramatically. Now robots are everywhere, and the demand for more is tremendous. The U.S. military, for one, has seized upon the development of ground robots to detect improvised explosive devices and drones to fly reconnaissance missions, as our August story "Autonomous Robots in the Fog of War" makes clear.

Robots have been used in the aftermath of many subsequent disasters -- hurricanes, building collapses and, most recently, in the nuclear plant meltdown at Fukushima. They are showing up in civilian sectors beyond manufacturing, in health care and medicine. And self-driving vehicles have completed successful urban and long-distance challenges that were unapproachable 10 years ago.

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These robots are saving lives, time, and money. They do things humans can't or don't want to do. But the social and political implications of robotic applications haven't begun to play out. Will we use them productively -- or destructively? Or as with so many of our other technological innovations, will we do both?

To get a sense of the dizzying pace of robotic development, visit Senior Associate Editor Erico Guizzo's Automaton blog. In July he had an excellent interview with John Dulchinos, president and CEO of Adept Technology, the largest U.S. industrial robotics company.

According to Guizzo, Dulchinos believes that "robotics is going to be one of the transformative technologies of the 21st century." Global sales of industrial robots represent only a US $5 billion market today, Dulchinos says, but according to some estimates it will grow to $100 billion by 2020. He envisions domestic robots helping us at home and factory robots that won't displace humans but rather work alongside them—and alongside one another.

Let's work to make his conviction and optimism carry the day, so that the robotic technology spurred by 9/11 is put to uses more fruitful than lethal, and some good can come from so much misery.

Tags: 9/11, Autonomous Robots, Disaster Recovery, Disaster Scenarios, Disasters and Accidents

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