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SAY CHEESE: JAPANESE SCIENTISTS MAKE ROBOT FACE 'SMILE' WITH LIVING SKIN

By Irene Wang and Rocky Swift
July 18, 20244:22 AM GMT+2Updated 5 days ago
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This smile is part living skin tissue and part robot.


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TOKYO, July 18 (Reuters) - Japanese scientists have devised a way to attach
living skin tissue to robotic faces and make them "smile," in a breakthrough
that holds out promise of applications in cosmetics and medicine.
Researchers at the University of Tokyo grew human skin cells in the shape of a
face and pulled it into a wide grin, using embedded ligament-like attachments.
The result, though eerie, is an important step towards building more life-like
robots, said lead researcher Shoji Takeuchi.
Advertisement · Scroll to continue

"By attaching these actuators and anchors, it became possible to manipulate
living skin for the first time," he added.
Item 1 of 3 Minghao Nie, a researcher of University of Tokyo shows a face mold
covered in human skin tissue at his lab in Tokyo, July 12, 2024. REUTERS/Kim
Kyung-Hoon
[1/3]Minghao Nie, a researcher of University of Tokyo shows a face mold covered
in human skin tissue at his lab in Tokyo, July 12, 2024. REUTERS/Kim Kyung-Hoon
Purchase Licensing Rights, opens new tab

The smiling robot, featured in a study published online, opens new tab last
month by Cell Reports Physical Science, is the fruit of a decade of research by
Takeuchi and his lab on how best to combine biological and artificial machines.
Living tissue has numerous advantages over metals and plastics, Takeuchi said,
ranging from the energy efficiency of brains and muscles to skin's ability to
repair itself.
Advertisement · Scroll to continue

Looking ahead, the researchers aim to add more elements to the lab-grown skin,
including a circulatory system and nerves. That could lead to safer testing
platforms for cosmetics and drugs absorbed through the skin.
It could also produce more realistic and functional coverings for robots. Still,
there remains the challenge of ridding people of the strange or unnerving
feelings evoked by machines that fall just short of being entirely convincing.

"There's still a bit of that creepiness to it," Takeuchi acknowledged about the
robot. "I think that making robots out of the same materials as humans and
having them show the same expressions might be one key to overcoming the uncanny
valley."

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Reporting by Rocky Swift in Tokyo; Editing by Clarence Fernandez

Our Standards: The Thomson Reuters Trust Principles., opens new tab

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Rocky Swift

Thomson Reuters

Reports mainly on pharma, retail and breaking news in Japan. Previously worked
at U.S. Department of State and Bloomberg News before that. New College of
Florida and University of Hawaii alum. Former Poynter and JAIMS fellow.

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