News tagged with scatter light

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

New technique can sense movement of single molecules over hours

(PhysOrg.com) -- Scientists can detect the movements of single molecules by using fluorescent tags or by pulling them in delicate force measurements, but only for a few minutes. A new technique by Rice University ...

Nanotechnology / Nanophysics

created Jun 22, 2010 | popularity 4.3 / 5 (4) | comments 0 | with audio podcast

Graphene makes light work of aircraft design

(PhysOrg.com) -- Faster and lighter aircraft could be built using an incredible super-thin material just one atom thick, according to new research conducted at The University of Manchester.

Nanotechnology / Nanomaterials

created Jun 08, 2010 | popularity 4.3 / 5 (12) | comments 26 | with audio podcast

Light-based localisation for robotic systems (w/ Video)

(PhysOrg.com) -- Getting robotic systems to accurately detect both moving and static objects remains an obstacle to building more autonomous robots and more advanced surveillance systems. Innovative technology ...

Technology / Engineering

created Apr 09, 2010 | popularity 4 / 5 (2) | comments 1 | with audio podcast

Physicist counts bubbles in the ocean to answer questions about climate, sound, light (w/ Video)

The bubbles in your champagne that appear to jump out of your glass and tickle your nose are exhibiting a behavior quite similar to the tiny bubbles found throughout the world's oceans, according to bubble ...

Physics / General Physics

created Jan 21, 2010 | popularity 4.4 / 5 (5) | comments 0 | with audio podcast

Multi-laboratory study sizes up nanoparticle sizing

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 ...

Nanotechnology / Nanomaterials

created Aug 11, 2009 | popularity not rated yet | comments 0