• "We're talking about microscopic particles that are easily transferred, " said Odeh attorney Edward Wilford.

    CNN: Prosecution rests in embassy bombings trial

  • Of course, safety questions about the particles themselves remain, but Dr West and Dr Payne both say they have seen no signs of harmful symptoms.

    ECONOMIST: Treating tumours

  • Little is currently known about where such particles end up in the atmosphere and what overall effect they have on the climate.

    ECONOMIST: Climatology: Grey-sky thinking | The

  • "It's going to give us a lot more info about how those particles get energised to provide this spectacular event, " Prof Madejski said.

    BBC: Blazar Markarian 421's flare-up is cosmic coincidence

  • The blue pigment Mayans used to paint temple walls 1, 400 years ago was made of particles only about 50 nanometers across.

    FORBES: The Science of Small

  • Studies of ash captured from the air show that for every one of the largest particles (about 300 microns) there are a million or more with a size of only around two microns.

    ECONOMIST: Volcanoes and air travel: Small eruption in Iceland | The

  • Fully two-thirds of the benefits of economically significant final rules reviewed by OIRA in 2010 were thanks to reductions in fine particles brought about by regulations that were actually aimed at something else, according to Susan Dudley of George Washington University, who served in OIRA under George Bush (see chart).

    ECONOMIST: Measuring the impact of regulation

  • Until the launch of the Alpha Magnetic Spectrometer (AMS) experiment in 2011, scientists had compiled a mere anthill of information about the kinds of charged particles, or cosmic rays, that shoot around the universe.

    ENGADGET: AMS detects excess of positrons, could suggest existence of dark matter

  • He explained that ground-based radars are able to track objects of about 10cm (3.9 inches) and sometimes smaller, depending on altitude above the earth, while other sensors can detect particles down to about 5mm (0.2 inches) in low earth orbit.

    CNN: Space harpoon plan to nail orbital garbage

  • About the same size as fine particles of cigarette smoke, the grains are made of silicate minerals and carbon-based materials coated with ice - principally water ice and frozen carbon monoxide.

    BBC: University of Nottingham

  • Very sensitive detectors around the tunnel then record information about the types and properties of the particles given off.

    BBC: Hadron Collider replica

  • So Dr Penrose found himself speculating one day about how a universe in which all particles had lost their mass through some as-yet-undefined process might look.

    ECONOMIST: Cosmology

  • X-rays, and observing how the rays are scattered, the researchers have concluded that the balls are full of particles with a diameter of about 50 billionths of a metre.

    ECONOMIST: Ball lightning

  • Opponents in Minisink worry about air emissions of acidic gases and small particles that would fall on nearby farmland.

    WSJ: NY town of 9/11 workers wages gas pipeline fight

  • About 60 to 200 miles overhead, the particles bump into the Earth's atmosphere and become electrically "excited" -- throwing off light of various colors, said Prof.

    CNN: 'Dancing lights' draw thousands to frozen north

  • Though they did not, themselves, perform the synthesis, Dr't Hooft and Dr Veltman tidied up its mathematics to such a degree that useful predictions about the properties of unknown sub-atomic particles became possible.

    ECONOMIST: The 1999 Nobel prizes

  • Radioactive particles were first found at Dalgety Bay about 20 years ago.

    BBC: Dalgety Bay radiation: Particles pose 'low risk' to public

  • Myhrvold and his inventors had already done a lot of thinking about using tiny optical filters capable of identifying and zapping microscopic particles.

    NEWYORKER: In the Air

  • In electrophoretic displays, tiny white and black pigment particles are given opposite electrical charges and encapsulated in microcapsules of about the diameter of a human hair.

    ECONOMIST: REPORTS

  • Chemical reactions on the volcanic sulphate particles blasted into the stratosphere by the eruption accelerated ozone depletion over the southern hemisphere by about 3%.

    BBC: News | Sci/Tech | Ozone hole reaches record size

  • Bill McNally, Noble co-founder, is tightlipped about the exact science behind the process but he will say it involves nanotechnology, whereby the tiniest particles available to man are used.

    CNN: Silver secret behind golden hopes

  • Although other theories remain about why this past decade was cooler than those previous, scientists seem to be converging around this idea that sulfate particles, which reflect the sun, are the culprits.

    FORBES: Fox News Inspiring Climate Science

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