Whether it was their intention or not, the creators of the Davidson College robots are actually dealing with that slippery concept known as the "uncanny valley" (where humanoid robots give people the creeps). By sensing smiles are reacting positively, I would think they're helping to alleviate that creepy feeling. Nice slideshow, Liz.
Fifty-six-year-old Pasquale Russo has been doing metalwork for more than 30 years in a tiny southern Italy village. Many craftsmen like him brought with them fabrication skills when they came from the Old World to America.
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