News tagged with dust particle

Tracing ultra-fine dust

Limit values for fine dust emissions are based on total particle weight. It is the ultra-fine particles, however, that are particularly harmful to health. A new technique separates them by size and identifies ...

Oct 05, 2009 3.5 / 5 (2) 0

A dust factory around a dead star

(PhysOrg.com) -- A team of astronomers, led by Loretta Dunne from the University of Nottingham, have found some very unusual stardust. In a paper to be published in Monthly Notices of the Royal Astronomical ...

Feb 24, 2009 4 / 5 (6) 8