News tagged with scatter light

Computing the best high-resolution 3-D tissue images

Real-time, 3-D microscopic tissue imaging could be a revolution for medical fields such as cancer diagnosis, minimally invasive surgery and ophthalmology. University of Illinois researchers have developed ...

Physics / General Physics

created Apr 23, 2012 | popularity 5 / 5 (5) | comments 0 | with audio podcast

High-tech tactic may expose stealthy salmonella

Even the smallest quantity of Salmonella may, in the future, be easily detected with a technology known as SERS, short for "surface-enhanced Raman scattering." U.S. Department of Agriculture (USDA) scientist ...

Biology / Cell & Microbiology

created Apr 10, 2012 | popularity not rated yet | comments 0

Measuring magnetic fields

(Phys.org) -- Polarized light is a familiar phenomenon, as people who prefer polarized sunglasses can testify. The electric field in a beam of light can vibrate either left-right or up-down, and the scattering ...

Space & Earth / Astronomy

created Apr 09, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Combining centuries-old mathematical theorems provides efficient approach for characterizing nanoparticles' shape

(PhysOrg.com) -- Gregg Gallatin, a researcher at the NIST Center for Nanoscale Science and Technology, has shown that combining a nineteenth century flux theorem with an eighteenth century mathematical operation provides ...

Other Sciences / Mathematics

created Mar 15, 2012 | popularity not rated yet | comments 0

Spin-orbit sum rule to speed up X-ray scattering research

A new theory developed by Prof Gerrit van der Laan, from the Science & Technology Facilities Council (STFC) and Diamond Light Source, and published this week in the journal Physical Review Letters, provid ...

Physics / General Physics

created Feb 15, 2012 | popularity not rated yet | comments 0

Physicists find that an ultrahigh-energy proton looks like a black disk

(PhysOrg.com) -- What does a proton look like? The common answer to this question is that protons are much too small to scatter light, and since light is necessary for us to see things, protons do not “look” ...

Physics / General Physics

created Dec 08, 2011 | popularity 4.5 / 5 (24) | comments 43 | with audio podcast feature

Ecological light scattering film for brand protection, packages and consumer products

Applications of the technology include the ability to label genuine brand products with a technical solution that is difficult to counterfeit. Printers can reduce the use of inks with this method, and advertising agencies ...

Technology / Engineering

created Nov 11, 2011 | popularity not rated yet | comments 0

The Nanotechnology of Sundew and English Ivy

Fifteen small sundew plants perch on a window sill, collecting sunlight and eating meat in the lab of Mingjun Zhang on the University of Tennessee's Knoxville campus. Sundew plants are carnivores, consuming ...

Nanotechnology / Bio & Medicine

created Oct 18, 2011 | popularity 5 / 5 (1) | comments 1 | with audio podcast

Nanobelts support manipulation of light

(PhysOrg.com) -- They look like 2-by-4s, but the materials being created in a Rice University lab are more suited to construction with light.

Nanotechnology / Nanophysics

created Oct 14, 2011 | popularity 5 / 5 (2) | comments 1 | with audio podcast

Light can detect pre-cancerous colon cells

After demonstrating that light accurately detected pre-cancerous cells in the lining of the esophagus, Duke University bioengineers turned their technology to the colon and have achieved similar results in a series of preliminary ...

Chemistry / Biochemistry

created Oct 11, 2011 | popularity 5 / 5 (2) | comments 1 | with audio podcast

Scientists develop the most advanced computer model to-date of the scattering of polarized light from chiral molecules

(PhysOrg.com) -- An international research team has described the first calculations of Raman optical activity (ROA) spectra using coupled-cluster theory – one of the most reliable quantum chemical methods ...

Chemistry / Analytical Chemistry

created Oct 04, 2011 | popularity not rated yet | comments 0

Physicists control light scattering in graphene

Scientists at the Lawrence Berkeley National Laboratory (Berkeley Lab) and the University of California, Berkeley have learned to control the quantum pathways determining how light scatters in graphene. Controlled ...

Nanotechnology / Nanophysics

created Mar 16, 2011 | popularity 5 / 5 (5) | comments 1 | with audio podcast

Securing the nation with fingerprinting materials

Lawrence Livermore National Laboratory researchers may have found a way to improve Raman spectroscopy as a tool for identifying substances in extremely low concentrations. Potential applications for Raman ...

Nanotechnology / Nanophysics

created Nov 09, 2010 | popularity 4.3 / 5 (3) | comments 0 | with audio podcast

Digital embryo gains wings (w/ Video)

Scientists at the European Molecular Biology Laboratory have captured fruit fly development on film, creating the Fly Digital Embryo. In work published today in Nature Methods, they were also the first to cle ...

Biology / Cell & Microbiology

created Jul 05, 2010 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Image: The Earth From The Moon

All cameras are susceptible to scattered light. You may have seen scattered light in pictures you have taken looking towards the Sun. Sunlight reflects off the optics and sometimes off the structure of the ...

Space & Earth / Space Exploration

created Jun 25, 2010 | popularity 4.7 / 5 (7) | comments 1