
Manduca sexta and its silicone rubber analog.
By JOHN SCHWARTZ
MEDFORD, Mass. — The robot lies dissected on the black slab of a lab table, its silicone rubber exterior spread and flattened like a trophy snakeskin. Hair-thin wires run in a zigzag line along the inner length of its pale artificial flesh.
Barry Trimmer flicks a small switch and the wires contract, causing the silicone to bunch up; the skin crawls, so to speak.
So does mine.
“It’s very organic,” Dr. Trimmer says with a smile. Apparently, “organic” is a technical euphemism for “creepy.” But it is eerily lifelike, and that is the point.
Robots, once the stuff of science fiction, are everywhere. Robotic geologists are puttering around on Mars, little Roombas suck up dirt in the breakfast nook. But most robots are made up of hard components and don’t much resemble the creatures that walk, crawl and squirm all around us.
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