1. Subscribersonhouse
    Fast and Curious
    slatington, pa, usa
    Joined
    28 Dec '04
    Moves
    52619
    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.