August 6, 2024 by Kara Manke, University of California – Berkeley Earpiece assembly, fit, and manufacturing process. Credit: Nature Communications (2024). DOI: 10.1038/s41467-024-48682-7Everyone gets sleepy at work from time to time, especially after a big lunch. But for people whose jobs involve driving or working with heavy machinery, drowsiness can be extremely dangerous—if not outright...
