News tagged with concave lenses
New interferometer could simplify materials research
(PhysOrg.com) -- “Most current hard x-ray interferometers are based on crystals, which require their high quality and high mechanical stability,” Anatoly Snigirev tells PhysOrg.com. “This can make x-ray interferometry quite ...
Aug 13, 2009 |
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Search results for concave lenses
Washburn telescope optics get 130-year checkup, cleaning
(Phys.org) -- Bit by bit over the last two decades, the University of Wisconsin-Madison's iconic Washburn Observatory has been restored to its original sheen.
Space & Earth / Space Exploration
May 17, 2012 |
4 / 5 (2) |
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K-B mirrors harness X-rays for science
(PhysOrg.com) -- Up close, they look simple as can be: a pair of metal bars, each with one side polished to a brilliant shine. One bar faces up, the other to one side.
Oct 12, 2011 |
3.5 / 5 (2) |
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Tools of the trade: Diamonds are forever ... for focusing intense X-rays
(PhysOrg.com) -- Diamonds can add more than sparkle and style to X-ray experiments at the Linac Coherent Light Source.
Sep 22, 2011 |
5 / 5 (1) |
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Samsung launches ST5500 and ST5000 digital cameras
Perfectly capturing and sharing the things you love just became effortless, with the launch of the innovative and easy-to-use performance features of the Samsung ST5500 and ST5000 cameras. The new range is ...
Electronics / Consumer & Gadgets
Feb 23, 2010 |
3.5 / 5 (2) |
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Adjustable Fluidic Lenses for Eyesight Correction Applications
(PhysOrg.com) -- Researchers from the University of Arizona have created a fluid-based opthalmic lens in which the amount of fluid can be constantly adjusted to provide customized eye correction. The lens may one day be incorporated ...
Feb 24, 2009 |
4.9 / 5 (7) |
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Scientists Find First Creature With Eyes That Use Both Refractive and Reflective Optics
Florida Atlantic University researcher and member of the Center for Ocean Exploration and Deep-Sea Research at Harbor Branch Oceanographic Institute, Dr. Tamara Frank, was part of an international research ...
Jan 27, 2009 |
4.2 / 5 (17) |
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What Can Swiss Cheese Teach us About Dark Energy?
(PhysOrg.com) -- About 10 years ago, scientists reached the astonishing conclusion that our universe is accelerating apart at ever-increasing speeds, stretching space and time itself like melted cheese. The ...
Dec 22, 2008 |
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Flytrap-Inspired Lenses May Lead to New Materials for Adhesives, Optics, Coatings
Imagine paint that adheres to a surface but releases on command, or road signs that change their reflectivity with changing weather conditions. These are two potential uses of a novel, responsive material designed by researchers ...
Nov 07, 2007 |
4.4 / 5 (18) |
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Inexpensive 'adaptive optics' achieved by Sandia's optical clamp
The ingenious system called adaptive optics, known for its computer control of subdivided, individually angled mirrors, is an efficient but expensive way to correct distortions in laser beams. The mirrors ...
Jul 03, 2007 |
3.8 / 5 (4) |
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Researchers create a biologically-inspired artificial compound eye
Using the eyes of insects such as dragonflies and houseflies as models, a team of bioengineers at University of California, Berkeley, has created a series of artificial compound eyes.
Apr 27, 2006 |
4.8 / 5 (36) |
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List of search results for concave lenses
