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Technology update

Sep 3, 2007

Atmospheric aerosols form at the nanoscale

Aerosols in the atmosphere may begin to form in uncharged clusters that are just 1.5 nm in size. This is according to scientists in Finland, Estonia and the UK who have used new instruments to measure aerosols below the previous limit of 3 nm for the first time. The nanoparticle clusters are important in cloud formation, atmospheric chemical reactions and air quality and should be included in future climate models, says the team.

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