Sensors that are literally 'music to one's ears'

Researchers have found a new use for a 3,000-year-old African musical instrument: detecting toxic substances and counterfeit medications. The sensor, based on the mbira (pronounced 'em-bir'-uh') is inexpensive and easy to operate, allowing its use in developing regions, the researchers say.

from Top Health News -- ScienceDaily https://ift.tt/2MoZfwt