Ambient Corp. has designed a compact system that helps people who can't speak because of neurological disorders, traumatic brain injury, cerebral palsy or other problems. Its Audeo, a wireless sensor worn on the neck, captures the wearer's neurological activity going from the brain to the vocal cords. This activity is digitized and turned into speech, letting users communicate in person or by phone. A Texas Instruments' MSP430 microcontroller uses little power and manages overall consumption so the Audeo can last more than eight hours on a single charge.
Researchers at Lawrence Livermore National Laboratory have published two physics-based models for the selective laser melting (SLM) metals additive manufacturing process, so engineers can understand how it works at the powder and scales, and develop better parts with less trial and error.
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