Emerging tech aims to improve life for handicapped

Emerging technology is giving new hope for the handicapped, and harnessing brainwaves for the physically disabled and helping the visually impaired with "artificial vision" are just the start.

New technique allows ultrasound to penetrate bone, metal

Researchers from North Carolina State University have developed a technique that allows ultrasound to penetrate bone or metal, using customized structures that offset the distortion usually caused by these so-called "aberrating ...

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