News tagged with scattered light
Multi-laboratory study sizes up nanoparticle sizing
Nanotechnology / Nanomaterials
Aug 11, 2009 |
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As a result of a major inter-laboratory study, the standards body ASTM International has been able to update its guidelines for a commonly used technique for measuring the size of nanoparticles in solutions. The study, which ...
Physicists find way to explore microscopic systems through holographic video
Jul 20, 2009 |
4.3 / 5 (3) |
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Physicists at New York University have developed a technique to record three-dimensional movies of microscopic systems, such as biological molecules, through holographic video. The work, which is reported in Optics Express, has po ...
Atmospheric 'sunshade' could reduce solar power generation
Mar 11, 2009 |
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The concept of delaying global warming by adding particles into the upper atmosphere to cool the climate could unintentionally reduce peak electricity generated by large solar power plants by as much as one-fifth, ...
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Seeing through the dark
Mar 07, 2008 |
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Astronomers have measured the distribution of mass inside a dark filament in a molecular cloud with an amazing level of detail and to great depth. The measurement is based on a new method that looks at the ...
Scattered light rapidly detects tumor response to chemotherapy
Feb 02, 2009 |
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New technology developed by Duke University bioengineers can help clinicians more precisely detect whether specific cancer drugs are working, and should give basic researchers a powerful new tool to better understand the ...
Super-sensitive explosives detector can detect explosives at distances exceeding 20 yards
Jun 26, 2008 |
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Using a laser and a device that converts reflected light into sound, researchers at the Department of Energy's Oak Ridge National Laboratory can detect explosives at distances exceeding 20 yards.
New Technique Makes Tissues Transparent
Jan 29, 2008 |
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If humans had see-through skin like a jellyfish, spotting disease like cancer would be a snap: Just look, and see a tumor form or grow.
Latest views of the V838 Monocerotis light echo from Hubble
Oct 26, 2006 |
4.6 / 5 (14) |
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The unusual variable star V838 Monocerotis (V838 Mon) continues to puzzle astronomers. This previously unknown star underwent an outburst early in 2002, during which it temporarily increased in brightness to ...
Student Develops First Polarized LED
Mar 03, 2008 |
4.6 / 5 (42) |
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In recent years, light emitting diodes (LEDs) have begun to change the way we see the world. Now, a Rensselaer Polytechnic Institute student has developed a new type of LED that could allow for their widespread ...
Red dust in planet-forming disk may harbor precursors to life
Jan 03, 2008 |
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Astronomers at the Carnegie Institution have found the first indications of highly complex organic molecules in the disk of red dust surrounding a distant star. The eight-million-year-old star, known as HR ...
Light, photosynthesis help bacteria invade fresh produce
Sep 28, 2009 |
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Exposure to light and possibly photosynthesis itself could be helping disease-causing bacteria to be internalized by lettuce leaves, making them impervious to washing, according to research published in the October issue ...
Gold Nanostars Outshine the Competition
Oct 15, 2008 |
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(PhysOrg.com) -- Novel nanoparticles being tested at the National Institute of Standards and Technology have researchers seeing stars. In a recent paper,* NIST scientists used surface-enhanced Raman spectroscopy ...
Physicist makes new high-res panorama of Milky Way
Oct 28, 2009 |
4.6 / 5 (14) |
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Cobbling together 3000 individual photographs, a physicist has made a new high-resolution panoramic image of the full night sky, with the Milky Way galaxy as its centerpiece. Axel Mellinger, a professor at ...
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