Saturday 27 July 2013

Explainer: nanoparticles in air pollution

Hearing the words “airborne nanoparticles” for the first time, one would probably ask: just how tiny are they, where do they come from, and do we need to worry about them?These tiny particles between 1 and 100nm are around 700 to 70,000 times thinner than the diameter of typical human hair....Explainer, nanoparticles, pollution

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