News tagged with optical coherence
New device finds early signs of eye disease in preemies
Sep 21, 2009 |
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Tell-tale signs of a condition that can blind premature babies are being seen for the first time using a new handheld device in a study at Duke University Medical Center.
3-D snapshots of eyes reveal details of age-related blindness
Mar 19, 2009 |
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To get a better look at the abnormalities that cause age-related macular degeneration (AMD), the leading cause of vision loss in Americans and Europeans over 50, the research groups of James Fujimoto at the Massachusetts ...
Shining light on diabetes-related blindness
Mar 11, 2009 |
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A group of scientists in California is trying to develop a cheaper, less invasive way to spot the early stages of retinal damage from diabetic retinopathy, the leading cause of blindness in American adults, before it leads ...
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An easy way to see the world's thinnest material
Nanotechnology / Nanomaterials
Dec 23, 2009 |
4.8 / 5 (12) |
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It's been used to dye the Chicago River green on St. Patrick's Day. It's been used to find latent blood stains at crime scenes. And now researchers at Northwestern University have used it to examine the thinnest material ...
Tiny nano-electromagnets turn a cloak of invisibility into a possibility
Dec 22, 2009 |
4.6 / 5 (15) |
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A team of researchers at the FOM institute AMOLF (The Netherlands) has succeeded for the first time in powering an energy transfer between nano-electromagnets with the magnetic field of light.
Accelerators and Light Sources of Tomorrow (Part 2: Accelerating with Light)
Dec 22, 2009 |
4.9 / 5 (7) |
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Accelerators are far from achieving the highest energies their builders aspire to, but size and cost may limit the kinds of facilities funding agencies can support. In the future, new kinds of machines will ...
Accelerators and Light Sources of Tomorrow (Part 1: From Linacs to Lasers)
Dec 22, 2009 |
4.7 / 5 (6) |
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From their humble beginnings as offshoots of the ordinary electric light bulb, particle accelerators have evolved in surprising directions. Among the most productive and promising developments have been light ...
Glitter-sized solar photovoltaics produce competitive results
Dec 22, 2009 |
4.4 / 5 (33) |
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Sandia National Laboratories scientists have developed tiny glitter-sized photovoltaic cells that could revolutionize the way solar energy is collected and used.
Clinical Trial Examines Drug's Potential for Protecting the Optic Nerve
Dec 21, 2009 |
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(PhysOrg.com) -- Acute optic neuritis, an inflammation of the optic nerve, doesn't occur all that often. But for those who experience it, the vision loss, pain and nerve damage that often result are no small ...
Nanoparticles go platinum: NCEM instruments provide key images
Dec 21, 2009 |
4.7 / 5 (3) |
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At Berkeley Lab's National Center for Electron Microscopy it was revealed that single-stranded DNA can disperse bundles of single-walled carbon nanotubes into individual tubes and serve as guideposts for synthesizing ...
Chemical energy influences tiny vibrations of red blood cell membranes
Dec 21, 2009 |
4.8 / 5 (6) |
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(PhysOrg.com) -- Much like a tightly wound drum, red blood cells are in perpetual vibration. Those vibrations help the cells maintain their characteristic flattened oval or disc shape, which is critical to ...
Physicists propose quantum entanglement for motion of microscopic objects
Dec 21, 2009 |
4.4 / 5 (20) |
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Researchers at the California Institute of Technology (Caltech) have proposed a new paradigm that should allow scientists to observe quantum behavior in small mechanical systems.
Wiggling and waggling: Study sheds light on amazing bee brain
Dec 21, 2009 |
4.4 / 5 (10) |
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(PhysOrg.com) -- Their brains are tiny - about the size of sesame seeds - and yet the behaviour of the humble honey bee is so advanced it has scientists scratching their heads in disbelief.
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