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x-rays News
Imaging Photosynthetic Dynamics
GOTHENBURG, Sweden, May 11, 2010 — Researchers at the University of Gothenburg have managed, with the help of an advanced x-ray flash, to photograph the movement of atoms during photosynthesis. Photograph of a photosynthetic reaction taken with an 80-ms x-ray pulse. The...
Lensless Imaging of Whole Cells
BERKELEY, Calif. May 7, 2010 — Scientists working at beamline 9.0.1 of the Advanced Light Source (ALS) at the US Department of Energy’s Lawrence Berkeley National Laboratory have used x-ray diffraction microscopy to make images of whole yeast cells, achieving the highest...
NIF Achieves Historic Laser Shot
LIVERMORE, Calif., Feb. 1, 2010 – Scientists at the National Ignition Facility (NIF) at Lawrence Livermore National Laboratory (LLNL) have delivered a historic level of laser energy – more than 1 megajoule – to a t...
Tumors Under Laser Fire
MUNICH, Germany, Dec. 16, 2009 – A highly energetic ion beam in an accurately defined dose that provides a pin-sharp (and cost-effective) radiation treatment of tumors was experimentally demonstrated. Physicists at the Munich Centre for Advanced Photonics said modern techniques...
THz QCL Made Tunable
CAMBRIDGE, Mass., Dec. 7, 2009 – A new approach to tuning a laser’s frequency could bring us closer to airport scanners that can distinguish explosives from nonthreatening substances, according to scientists at the Massachusetts Institute of Technology.
Photon Race Ends in Dead Heat
STANFORD, Calif., Oct. 29, 2009 – Racing across the universe for the last 7.3 billion years, two gamma-ray photons arrived at NASA’s orbiting Fermi Gamma-ray Space Telescope within nine-tenths of a second of one another. The dead-heat finish may stoke the fires of debate among...
Moses Fired Up Over NIF Start
Jun 4, 2009 — In 2012, according to fans of fringe "science," the world as we know it will come to an end - apparently because the Mayans failed to develop the perpetual calendar. By then, however, we just might have solved many of the deepest mysteries of the...
Moses Fired Up Over NIF Start
BALTIMORE, Md., June 3, 2009 -- In 2012, according to fans of fringe "science," the world as we know it will come to an end - apparently because the Mayans failed to develop the perpetual calendar. By then, however, we just might have solved many of the deepest mysteries of the...
Brighter Nanotubes Unveiled
STORRS, Conn., March 9, 2009 – Chemists have found a way to increase the luminescence efficiency of single-walled carbon nanotubes, a discovery that could have significance in medical imaging, homeland security, and biological sensors, among other applications.
UK: Infrared Imaging Gives UK Dentists a Better Look
Feb 1, 2009 — A team of dentists and physicists in the UK is developing an infrared imaging system for dentistry that avoids the risks associated with x-rays. Professor John Girkin and Dr. Simon Poland at the University of Strathclyde’s Institute of Photonics in...
T-rays Advance 1-pixel Camera
HOUSTON, Oct. 15, 2008 -- A terahertz version of the single-pixel camera developed by Rice University researchers could lead to breakthrough technologies in security, telecom, signal processing and medicine. The research describes a way to replace the expensive,...
X-Ray Lightning
GAINESVILLE and MELBOURNE, Fla., July 17, 2008 -- According to the National Weather Service, an average of 62 people are killed each year by lightning in the United States. In a single week this July, which typically is peak lightning season, five young lives were claimed across the country. With...
Microdevice to Track Tumors
WEST LAFAYETTE, Ind., April 11, 2008 -- A wireless, needle-like injectable device has been designed to more effectively kill tumors by telling doctors the precise dose of radiation received and the exact position of tumors during treatment. Babak Ziaie, an associate professor in the...
X-rays Exceed 'Critical Angle'
UPTON, N.Y., Oct. 1, 2007 -- A new method uses refractive lenses to focus x-rays down to extremely small spots, a breakthrough important in the development of a new light-source facility that promises advances in nanoscience, energy, biology and materials research. At...
Lensless X-ray Microscopy Images Nanocrystals
Sep 1, 2006 — Scientists at the University of Illinois in Urbana have used coherent hard x-rays to produce 3-D images of 750-nm lead nanocrystals with a spatial resolution of 40 nm. With improved detectors and more powerful sources of coherent x-rays, they...
CT Scans Used in 'Mummy Autopsy'
Dec 6, 2004 — ALBUQUERQUE, N.M., Dec. 6 -- Computed tomography (CT) and x-rays provide a noninvasive peak at mummies, some of which have lain forgotten for centuries, in a 13-part TV series that follows a five-member team of researchers as they investigate...
Laser Technique Generates 1.77-nm X-rays
May 1, 2004 — A team of scientists at Technische Universität Wien in Austria, Max Planck Institut für Quantenoptik in Garching, Germany, and Universität Würzburg in Germany has reported the generation of coherent 1.77-nm x-rays. Reported in the April 23 issue of...
Ions Generate 5-nm X-Rays
Feb 1, 2004 — At JILA in Boulder, Colo., researchers have obtained x-rays as short as 5 nm by high-order harmonic generation from ions in an argon-filled fiber. The group reported its findings in the Jan. 23 issue of Physical Review Letters. In the work, the...
Digital Imaging from the Inside Out
Jan 1, 2004 — Companies that develop systems for medical imaging are motivated not only by the demand by hospitals for faster results at lower cost, but also by new imaging technologies. Radiology, like many branches of medical imaging, is going digital, and it’s...
IR Imaging Exposes Equine Ailments
Dec 1, 2003 — Save for the famous Mr. Ed, horses can't tell a veterinarian what's wrong with them. In fact, a horse not only is unable to communicate its symptoms, but also makes a concerted effort to hide them. Such suppression makes it particularly difficult...
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