To Be Almost Human or Not to Be, That Is the Question From: Electronic Design - 02/15/2007 - Vol. 55, No. 4, P. 37 By: Daniel Harris Researchers developing robots as caregivers and assistants to the handicapped and the elderly are on the horns of a dilemma: Whether to strive for a more humanoid appearance and function or embrace a more artificial, science-fiction model. Advocating the first case are scientists such as professor Hiroshi Ishiguro of Osaka University's Department of Adaptive Machine Systems, while project leader of Honda America's North American Advanced Step in Innovative Mobility (ASIMO) Stephen Keeney and other researchers support the second option. ASIMO uses a variety of sensors and algorithms to access distance and direction, process moving objects, and interact with people, but Keeney says the robot's human features - legs instead of treads or wheels, hands to manipulate objects, etc. - are incorporated so it can fulfill its function as a caregiver. "We should always be cognizant that ASIMO is a machine and should be approachable and not be scary to children," notes Keeney. "It is a comfortable middle ground between machine and humanoid androids that others are working on." Ishiguro's goal is to create androids that are indistinguishable from humans at first sight with such technologies as tactile sensors, actuators, and human-looking artificial skin. Of particular interest to the scientist is the use of androids to provide entertainment, fulfill communication needs, and serve as companions, and one of the bigger obstacles researchers face is the Uncanny Valley, which is people's tendency to reject machines that look, move, and act human beyond a certain point of acceptability. Human-like movement is key to the success of androids, according to Ishiguro, and other necessary breakthroughs include the ability to comprehend answers, deduce information based on conversations, and distinguish individuals within a crowd. Read the entire article at: http://www.elecdesign.com/Articles/ArticleID/14763/14763.html Links: Intelligent Robotics Laboratory http://www.ed.ams.eng.osaka-u.ac.jp/ Hiroshi Ishiguro http://www.ed.ams.eng.osaka-u.ac.jp/%7Eishiguro March of the consumer robots http://news.bbc.co.uk/2/hi/technology/6250621.stm Leaving Las Vegas http://www.cbsnews.com/stories/2007/01/11/scitech/pcanswer/main2350278.shtml Uncanny Valley http://en.wikipedia.org/wiki/Uncanny_Valley