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Keyword: neat

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  • Nano machine switches between biological and silicon worlds

    04/26/2006 6:06:20 AM PDT · by Neville72 · 11 replies · 526+ views
    IST Results ^ | 4/26/2006 | Staff report
    Scientists have created a molecular switch that could play a key role in thousands of nanotech applications. The Mol-Switch project successfully developed a demonstrator to prove the principle, despite deep scepticism from specialist colleagues in biotechnology and biophysics. "Frankly, some researchers didn't think what we were attempting was possible because standard descriptions in physics, for example the Stokes equation for viscosity indicated that the system might not work. But viscous forces do not apply at the nano-scale," says Dr Keith Firman, Reader in Molecular Biotechnology at Portsmouth University and coordinator of the Mol-Switch project, funded under the European Commission’s FET...
  • Astronomy Picture of the Day 05-18-04

    05/17/2004 9:12:24 PM PDT · by petuniasevan · 3 replies · 191+ views
    NASA ^ | 05-18-04 | Robert Nemiroff and Jerry Bonnell
    Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2004 May 18 Comet NEAT (Q4) Over Indian Cove Credit & Copyright: Wally Pacholka (Astropics) Explanation: Comet NEAT (Q4) was quite photogenic earlier this month. Although the head and part of the tails of Comet C/2001 Q4 (NEAT) were visible to the unaided eye, the best views of the colorful tail were revealed only later by cameras able to expose for long periods. A human eye can accumulate...
  • Two comets lighting up skywatchers' interest

    05/14/2004 5:05:13 PM PDT · by SwinneySwitch · 21 replies · 342+ views
    Sacramento Bee/Caller.com ^ | May 14, 2004 | Edie Lau
    Hale-Bopp they're not, but two comets headed toward Earth are lighting up skywatchers' interest nonetheless. The comets, which were discovered only recently, probably never will come in viewing range again. And they're big enough and close enough to see with bare eyes or just binoculars, a fairly rare event. One, known by the cute name NEAT, already is visible in the evening sky and will make its closest approach to the sun, reaching peak brightness, on Saturday. The second, known as LINEAR, appears in late May. Both will be visible right after sunset during the first part of June. The...
  • Astronomy Picture of the Day 05-07-04

    05/07/2004 3:24:17 AM PDT · by petuniasevan · 7 replies · 228+ views
    NASA ^ | 05-07-04 | Robert Nemiroff and Jerry Bonnell
    Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2004 May 7 Look West for a NEAT Comet Credit & Copyright: Jimmy Westlake (Colorado Mountain College) Explanation: On May 5th, while scanning western skies after sunset, astronomer Jimmy Westlake was glad to spot a visitor from the outer solar system, Comet NEAT, with his own eyes. Taken with a normal lens, the picture records his memorable view of comet, clouds, and Colorado Rocky Mountains against a backdrop...
  • Astronomy Picture of the Day 3-06-03

    03/05/2003 10:44:26 PM PST · by petuniasevan · 7 replies · 271+ views
    NASA ^ | 3-06-03 | Robert Nemiroff and Jerry Bonnell
    Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured , along with a brief explanation written by a professional astronomer. 2003 March 6 Comet NEAT in Southern Skies Credit & Copyright: Noel Munford (Palmerston North Astronomical Society, New Zealand) Explanation: After last month's dramatic swoop past the Sun, Comet NEAT (C/2002 V1) appeared as a naked-eye comet, emerging from the evening twilight in planet Earth's southern skies. On March 1st, New Zealand photographer Noel Munford captured this telephoto view of the outbound comet close to the southwestern...
  • Astronomy Picture of the Day 2-24-03

    02/23/2003 9:55:52 PM PST · by petuniasevan · 7 replies · 221+ views
    NASA ^ | 2-24-03 | Robert Nemiroff and Jerry Bonnell
    Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2003 February 24 Comet Neat Passes an Erupting Sun Credit: SOHO Consortium, LASCO, ESA, NASA Explanation: As Comet NEAT flared last week, the Sun roared. Just as the comet swooped inside the orbit of Mercury and developed a long and flowing tail of gas and dust, the Sun emitted a huge Coronal Mass Ejection (CME). Neither the fortuitous hot ball of solar gas nor the intense glare of...
  • Astronomy Picture of the Day 2-10-03

    02/09/2003 10:48:47 PM PST · by petuniasevan · 20 replies · 489+ views
    NASA ^ | 2-10-03 | Robert Nemiroff and Jerry Bonnell
    Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2003 February 10 Comet NEAT Approaches the Sun Credit and Copyright: Anton Spenko (Rezmon Observatory) Explanation: A comet may likely become visible to the unaided eye over the next few days above the horizon where the Sun has just set. Comet NEAT (C/ 2002 V1), discovered last November, has brightened dramatically as it approached the Sun. Over the next few days, the quickly setting comet could appear as...