Light
hideLight is electromagnetic radiation, particularly radiation of a wavelength that is visible to the human eye (about 400–700 nm, or perhaps 380–750 nm.) In physics, the term light sometimes refers to electromagnetic radiation of any wavelength, whether visible or not.
Three primary properties of light are:
Light, which exists in tiny "packets" called photons, exhibits properties of both waves and particles. This property is referred to as the wave–particle duality. The study of light, known as optics, is an important research area in modern physics.
For more information about Light, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
News tagged with light
First Pump-Probe Experiment at Linac Coherent Light Source Completed
16 hours ago |
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(PhysOrg.com) -- The first experiment using the Linac Coherent Light Source to illuminate molecules via a "pump-probe" technique has been completed by an international team of more than 30 scientists from ...
INL develops safer, more efficient nuclear fuel for next-gen reactors
16 hours ago |
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As the nation ponders its energy choices, Americans keep asking themselves: how can the country make better use of its resources and emit fewer greenhouse gases without hurting U.S. industries? A research ...
Scientists demonstrate multibeam, multi-functional lasers
20 hours ago |
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An international team of applied scientists from Harvard, Hamamatsu Photonics, and ETH Zürich have demonstrated compact, multibeam, and multi-wavelength lasers emitting in the invisible part of the light spectrum ...
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Mad as hell? New discoveries about the experience of anger
Medicine & Health / Psychology & Psychiatry
19 hours ago |
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Younger people, those with children and less-educated individuals are more likely to experience anger, according to new UofT research that examines one of the most common negative emotions in society.
ERK's got rhythm: Protein that controls cell growth found to cycle in and out of cell nucleus (w/ Video)
52 minutes ago |
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Time-lapsed video of individual breast tissue cells reveals a never-before-seen event in the life of a cell: a protein that cycles between two major compartments in the cell. The results give researchers a more complete view ...
Research sheds new light on epilepsy
17 hours ago |
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Pioneering research using human brain tissue removed from people suffering from epilepsy has opened the door to new treatments for the disease.
Winds drive icebergs away from New Zealand
Space & Earth / Earth Sciences
4 hours ago |
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(AP) -- Strong westerly winds in the southern Pacific Ocean have driven scores of icebergs originally headed toward New Zealand to the east, away from the country, an oceanographer said Tuesday.
Nanoimaging in 3-D
1hour ago |
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(PhysOrg.com) -- As technology shrinks ever smaller, interest in objects and devices on the nanoscale becomes more apparent. However, visualizing these objects in three dimensions comes with special challenges. ...
It takes two to infect: Structural biologists shed light on mechanism of invasion protein
21 hours ago |
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Bacteria are quite creative when infecting the human organism. They invade cells, migrate through the body, avoid an immune response and misuse processes of the host cell for their own purposes. To this end every bacterium ...
Chang'E-1 has blazed a new trail in China's deep space exploration
Space & Earth / Space Exploration
3 hours ago |
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A huge amount of scientific data have been accumulated by the CE-1 lunar orbiter. Using laser altimeter data, Jinsong Ping and Qian Huang et al obtained improved 3D lunar topography, and based on this, they ...
Study describes new tool in the fight against autoimmune diseases, blood cancers
15 hours ago |
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A study led by a Scripps Research Institute scientist describes a new, highly pragmatic approach to the identification of molecules that prevent a specific type of immune cells from attacking their host. The findings add ...
Scientists trace shark fins to their geographic origin for first time using DNA tools
3 hours ago |
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Millions of shark fins are sold at market each year to satisfy the demand for shark fin soup, a Chinese delicacy, but it has been impossible to pinpoint which sharks from which regions are most threatened ...
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