The End of Astronauts—and the Rise of Robots

The End of Astronauts—and the Rise of Robots

How much do we need humans in space?  How much do we want them there?  Astronauts embody the triumph of human imagination and engineering.  Their efforts shed light on the possibilities and problems posed by travel beyond our nurturing Earth. ...
The Future of Robot Nannies

The Future of Robot Nannies

Childcare is the most intimate of activities. Evolution has generated drives so powerful that we will risk our lives to protect not only our own children, but quite often any child, and even the young of other species. Robots, by contrast, are products created by...
Who Killed the Robot Dog?

Who Killed the Robot Dog?

George Jetson did not want his family to adopt a dog. For the patriarch of the futuristic family in the 1960s cartoon The Jetsons, apartment living in the age of flying cars and cities in the sky was incompatible with an animal in need of regular walking and grooming,...