News tagged with particle size

Red moon at night; stargazer's delight

Monday night's lunar eclipse proved just as delightful as expected to those able to view it. On the East Coast, cloudy skies may have gotten in the way, but at the National Science Foundation's National Optical ...

Apr 16, 2014
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In search of a safer, greener firework

Fireworks are often the centrepiece of major religious, cultural and sporting events, but they can be the cause of air pollution and the fireworks industry is one of the most hazardous to work in. However, research is underway ...

Jan 20, 2014
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Titanium dioxide nanoreactor

Tiny particles of titanium dioxide are found as key ingredients in wall paints, sunscreens, and toothpaste; they act as reflectors of light or as abrasives. However with decreasing particle size and a corresponding ...

Feb 21, 2013
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Smoke particles are not all the 'SAME'

(PhysOrg.com) -- Where there's smoke, you need a functioning smoke detector that can tell the difference between, say, smoke particles and dust. Yet in the microgravity environment of the International Space ...

Jan 05, 2012
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Silver nanoparticles on graphene oxide support

Silver (Ag) has a high catalytic activity towards many organic and inorganic transformations such as NOx reduction and catalytic oxidation of CO to CO2. In practical applications, catalysts like Ag are affixed ...

Mar 03, 2014
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Determining toothpaste abrasion

There are various types of toothpaste available on the market. They come as pastes and gels, there are some that guard against tooth decay or protect teeth from acid attack, others that are designed for sensitive ...

Oct 01, 2012
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