News tagged with radiation beam
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 ...
Apr 09, 2012 |
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Two new records: The world's strongest and purest neutron beam
The world's strongest neutron beam is produced by a scientific instrument at the research neutron source FRM II (Forschungs-Neutronenquelle Heinz Maier-Leibnitz) at the Technischen Universitaet Muenchen (TUM). ...
Feb 13, 2012 |
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Ultra-fast photodetector and terahertz generator
Photodetectors made from graphene can process and conduct light signals as well as electric signals extremely fast. Within picoseconds the optical stimulation of graphene generates a photocurrent. Until now, ...
Jan 31, 2012 |
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Nobel Prize-winning physicist Norman Ramsey dies
(AP) -- Norman Ramsey, who shared the 1989 Nobel Prize in physics for his research into molecules and atoms that led to the creation of the atomic clock, has died in Massachusetts. He was 96.
Nov 07, 2011 |
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Millisecond pulsar in spin mode
Astronomers have tracked down the first gamma-ray pulsar in a globular cluster of stars. It is around 27,000 light years away and thus also holds the distance record in this class of objects. Moreover, its ...
Nov 03, 2011 |
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Electron accelerator scientists report breakthroughs
(PhysOrg.com) -- Cornell scientists have surpassed two major scientific milestones toward proving the technology of a novel, exceedingly powerful X-ray source.
Oct 25, 2011 |
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Researchers find world's first x-ray laser produces most coherent x-ray radiation ever
(PhysOrg.com) -- The world's first x-ray laser, the Linac Coherent Light Source (LCLS), first unveiled in 2009 at the Stanford Linear Accelerator Center in Palo Alto California, has been undergoing testing ...
Oct 03, 2011 |
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Applying particle physics expertise to cancer therapy
(PhysOrg.com) -- Physicists at the University of California, Santa Cruz, are working with medical researchers at Loma Linda University Medical Center to develop a new imaging technology to guide proton therapy ...
May 13, 2011 |
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Samples of vital human tumor tissue irradiated with ions for the first time
Cancer treatment with ion beams developed at GSI is characterized by an excellent cure rate and only minor side effects. The therapy has been routinely in use for a little over one year. The effectiveness of the ion beams ...
Dec 17, 2010 |
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Highly targeted radiation technique minimizes side effects of prostate cancer treatment
Men with prostate cancer treated with a specialized type of radiation called intensity modulated radiation therapy (IMRT) have fewer gastrointestinal complications compared to patients treated with conventional three-dimensional ...
Oct 25, 2010 |
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Proton therapy safe, effective for early-stage lung cancer patients
Proton beam therapy is safe and effective and may be superior to other conventional treatments for Stage I inoperable non-small cell lung cancer (NSCLC) patients, according to a study in the October issue of the International Jo ...
Oct 19, 2010 |
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Scientists move objects across meter-scale distances using only light (w/ Video)
(PhysOrg.com) -- For more than 40 years, scientists have been using the radiation pressure of light to move and manipulate small objects in space. But until now, the movements have always been restricted to ...
Sep 30, 2010 |
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Forcing mismatched elements together could yield better solar cells
(PhysOrg.com) -- In what could be a step toward higher efficiency solar cells, an international team including University of Michigan professors has invalidated the most commonly used model to explain the behavior of a unique ...
Sep 08, 2010 |
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Reproducing nanoscale surfaces with adhesion properties similar to gecko footpad
(PhysOrg.com) -- Researchers from Northeastern and Korean universities collaborate on developing a surface that mimics lizard?s footpad for extraordinary adhesive quality
Nanotechnology / Nanomaterials
Jun 29, 2010 |
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Proton beam therapy shows encouraging long-term outcome for patients with locally advanced sinonasal cancers
Proton beam radiation therapy shows encouraging results for patients with locally advanced sinonasal malignancies, according to a study presented at the Multidisciplinary Head and Neck Cancer Symposium.
Feb 25, 2010 |
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