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Driverless cars are safer than human-driven ones. Computers can predict Supreme Court decisions better than legal scholars. What’s next?

Robotic milkers not only do the milking - like the machines that have been around for decades - but they do away with the need for farmers to connect and disconnect the machines to and from their cows' utters. These machines permit the cows to decide when they want to be milked - the "milkbot" does the rest.

Robotic milkers not only do the milking - like the machines that have been around for decades - but they do away with the need for farmers to connect and disconnect the machines to and from their cows' utters. These machines permit the cows to decide when they want to be milked - the "milkbot" does the rest.

"The Second Machine Age," by MIT professors Erik Brynjolfsson and Andrew McAfee, has gotten a lot of attention for its bold predictions of a forthcoming giant leap forward in the kinds of tasks that smart machines (robots) will be capable of performing. This could have a major impact on the nature of work, the number of jobs, the kinds of jobs, and the kind of society we will have in the future.

Google is aggressively moving into the business of developing a newer class of robots - those designed to be more mobile, versatile, and human-like. The goal: expanding the market for robots to small- and medium-sized companies in order to reduce their labor costs. Google recently acquired a suite of robotics-related companies, including one in Japan, and has created a new division within Google to consolidate research and development in this field.

Two reports on a recent Oxford University study that predicts that nearly one-half of existing jobs in the United States will be replaced by robotic machines in the next generation. Plus, a video of a related lecture by an MIT economist who specializes in the impact of technology on employment.

Today’s robots can do far more than their primitive, single-task ancestors. And there is a broad debate among economists, labor experts and companies over whether the trend will add good-paying jobs to the economy by helping firms run more efficiently or simply leave human workers out in the cold.