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CES 2023: Smelling, touching take center stage in metaverse

The metaverse — essentially a buzzword for three-dimensional virtual communities where people can meet, work and play — was a key theme during the four-day tech gathering in Las Vegas that ends Sunday.

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In 2021, Johns Hopkins neurosurgeons said they used augmented reality to perform spinal fusion surgery and remove a cancerous tumor from a patient's spine. And optical technology from Lumus, an Israeli company that makes AR glasses, is already being used by underwater welders, fighter pilots and surgeons who want to monitor a patient's vital signs or MRI scans during a procedure without having to look up at several screens, said David Goldman, vice president of marketing for the company.