A robot’s appearance should depend on the work it does but never fall into the “uncanny valley” and come across as creepy

ByLarry Greenemeier

FACEOFF: Georgia Tech graduate student Akanksha Prakash studies older and younger people to better understand their preferences when it comes to a personal robot’s appearance.Image: Courtesy of Georgia Institute of Technology

Showcasing more than fifty of the most provocative, original, and significant online essays from 2011, The Best Science Writing Online 2012 will change the way…

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