20 Oct '17 14:47>
http://www.sciencealert.com/an-11-year-old-has-become-america-s-top-young-scientist-for-her-sensor-detecting-lead-in-water
Pretty clever girl! Using carbon nanotubes tuned somehow to make easy detection of lead in water.
Pretty clever girl! Using carbon nanotubes tuned somehow to make easy detection of lead in water.