Tracking brain activity Researchers at UC Berkeley are developing in-ear devices that can be worn throughout the day to record neural signals from inside the ear canal and detect signs of drowsiness. (Courtesy: CC BY/Nat. Commun. 10.1038/s41467-024-48682-7)
Drowsiness plays a major role in traffic crashes, injuries and deaths, and is considered the most cr
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Tami Freeman
is an online editor for Physics World