Conventional wisdom tells us that large objects appear smaller as they get farther from us, but this fundamental law of classical physics is reversed when we observe the distant universe.
Astronomy
Oct 25, 2019
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Structured laser light has already opened up various different applications: it allows for precise material machining, trapping, manipulating or defined movement of small particles or cell compartments, as well as increasing ...
Optics & Photonics
Sep 20, 2019
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(Phys.org) —NASA's Hubble Space Telescope has uncovered the largest known population of globular star clusters, an estimated 160,000, swarming like bees inside the crowded core of the giant grouping of galaxies known as ...
Astronomy
Sep 12, 2013
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Hold a magnifying glass over the driveway on a sunny day and it will focus sunlight into a single beam. Hold a prism in front of the window and the light will spread out into a perfect rainbow. Lenses like these have been ...
General Physics
Aug 12, 2013
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Downy mildew (Pernospora belbahrii Thines) is a relatively new disease to North America. First reported in 1933 in Uganda, downy mildew has spread rapidly across the globe. Early detection of downy mildew is crucial for control ...
Biotechnology
Jul 16, 2013
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To test the severity of a viral infection, clinicians try to gauge how many viruses are packed into a certain volume of blood or other bodily fluid. This measurement, called viral load, helps doctors diagnose or monitor chronic ...
Analytical Chemistry
May 30, 2013
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Natural gas power plants can use about 20 percent less fuel when the sun is shining by injecting solar energy into natural gas with a new system being developed by the Department of Energy's Pacific Northwest National Laboratory. ...
Energy & Green Tech
Apr 12, 2013
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"Twas the night before Christmas, when all through the house, not a creature was stirring, not even a mouse."
Ecology
Dec 18, 2012
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The first Fresnel lens was installed in 1823 in the Cordouan lighthouse, where its beam was visible for 32 km. Since then, this lens design has been used in lighthouses, traffic lights, automobile headlights, magnifying glasses, ...
Optics & Photonics
Oct 5, 2012
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In the operating room, surgeons can see inside the human body in real time using advanced imaging techniques, but primary care physicians, the people who are on the front lines of diagnosing illnesses, haven't commonly had ...
Optics & Photonics
Oct 2, 2012
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