Noise-canceling headphones have gotten very good at creating an auditory blank slate. But allowing certain sounds from a wearer's environment through...
Noise-canceling headphones have gotten very good at creating an auditory blank slate. But allowing certain sounds from a wearer's environment through...
Biomaterials could mean better vaccines, virus-fighting surfaces: Scientists are working toward advances that, using nanotechnology, could lead to a hospital bed or doorknob that naturally destroys viruses