News tagged with dust particles

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Source of zodiac glow identified

(PhysOrg.com) -- The eerie glow that straddles the night time zodiac in the eastern sky is no longer a mystery. First explained by Joshua Childrey in 1661 as sunlight scattered in our direction by dust particles ...

Apr 15, 2010
4.5 / 5 (10) 0 | with audio podcast

Many WTC responders show early signs of heart woes

(AP) -- Law enforcement officers who worked near ground zero after the World Trade Center attacks seem to show early signs of heart problems at a higher rate than would be expected for their age, a new study suggests.

Mar 13, 2010
not rated yet 1

Acoustic levitation could be used on Mars

(PhysOrg.com) -- The presence of fine dust on the Moon and Mars may present problems for explorers, such as coating solar panels, penetrating seals and interfering with machinery. Human explorers would also ...

Jan 25, 2010 report
4.1 / 5 (12) 8 | with audio podcast

Electrostatic surface cleaning

It's often the little things that count in industrial manufacturing processes. Particles less than half the diameter of a hair in size can significantly impair quality in production. For example, there should ...

Oct 07, 2009
not rated yet 0

Do dust particles curb climate change?

(PhysOrg.com) -- A knowledge gap exists in the area of climate research: for decades, scientists have been asking themselves whether, and to what extent man-made aerosols, that is, dust particles suspended ...

Oct 06, 2009
4.6 / 5 (5) 4

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

The trilogy is complete -- GigaGalaxy Zoom Phase 3

The newly released image extends across a field of view of more than one and a half square degree — an area eight times larger than that of the full Moon — and was obtained with the Wide Field Imager attached ...

Sep 28, 2009
4.5 / 5 (8) 1