News tagged with particles

Illusions in the cosmic clouds

Pareidolia is the psychological phenomenon where people see recognizable shapes in clouds, rock formations, or otherwise unrelated objects or data. There are many examples of this phenomenon on Earth and ...

dateOct 27, 2014 in Astronomy
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A breakthrough in nanotoxicology

Whereas resistance to antibiotics complicates certain treatments, antimicrobial silver nanoparticles (AgNP) are gaining popularity for medical use. These particles are toxic for certain bacteria, but what about for humans? ...

dateFeb 18, 2015 in Biochemistry
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Light as puppeteer

Researchers at the Okinawa Institute of Science and Technology Graduate University (OIST) have demonstrated a more robust method for controlling single, micron-sized particles with light.

dateMar 18, 2015 in Optics & Photonics
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Rosetta: The dark side of the comet

(Phys.org) —Rosetta's scientific imaging system OSIRIS has caught a glimpse of the southern side of comet 67P/Churyumov-Gerasimenko. During the past months, this side has continuously faced away from the ...

dateNov 06, 2014 in Space Exploration
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A close-up with a comet

Even as Tom Economou approached retirement age in 1994, he began planning an instrument for the European Space Agency's Rosetta mission to a comet. He still remembers the reaction of Riccardo Levi-Setti, ...

dateNov 11, 2014 in Space Exploration
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Researchers find a new way to clear the air

In 1999, then-Chinese Premier Zhu Rongji said that Beijing's pall of smog "would shorten my life at least five years," a hazard level scientists affirmed two years ago with a study of China's air pollution. That reality that ...

dateMar 17, 2015 in Environment
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