For robots, artificial intelligence gets physical

To work with humans, machines need to sense the world around them

image of robot hand touching human hand

ROBOT AWAKENING  By giving robots physical intelligence, researchers hope to build machines that can work alongside humans.

Human: cherezoff/shutterstock; Robot: Willyam Bradberry/shutterstock

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In a high-ceilinged laboratory at Children’s National Health System in Washington, D.C., a gleaming white robot stitches up pig intestines.

The thin pink tissue dangles like a deflated balloon from a sturdy plastic loop. Two bulky cameras watch from above as the bot weaves green thread in and out, slowly sewing together two sections.