News tagged with 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) |
0
The new world of gamma-ray optics
Scientists discover that certain materials like silicon or gold exhibit a surprisingly large refractive index for extremely high energetic gamma-rays.
May 14, 2012 |
5 / 5 (6) |
0
Free-floating planets in the Milky Way outnumber stars by factors of thousands
A few hundred thousand billion free-floating life-bearing Earth-sized planets may exist in the space between stars in the Milky Way. So argues an international team of scientists led by Professor Chandra Wickramasinghe, Director ...
May 10, 2012 |
2.6 / 5 (17) |
53
Prof explores universe through gravity lens studies
(Phys.org) -- The National Science Foundation recently awarded Dr. Mustapha Ishak-Boushaki, associate professor of physics at UT Dallas, a $222,000 research grant for his investigations of the gravitational lensing technique ...
Apr 30, 2012 |
5 / 5 (1) |
0
|
DARPA sets sights on high-tech contact lenses
(Phys.org) -- A Bellevue, Washington, company specializing in display technology based on eyewear and contact lenses has sealed a deal with DARPA. Innovega, which says its technology can open a “new dimension ...
Technology / Hi Tech & Innovation
Apr 15, 2012 |
4.9 / 5 (17) |
11
|
'Cosmic mirages' confirm accelerated cosmic expansion
(Phys.org) -- An international team of researchers led by Masamune Oguri at Kavli IPMU and Naohisa Inada at Nara National College of Technology conduced an unprecedented survey of gravitationally lensed quasars, ...
Apr 11, 2012 |
4.9 / 5 (9) |
20
|
Lenses can bend light and sound in almost any direction
(PhysOrg.com) -- When an optical fiber is bent by 90° or more, the light begins to leak away, posing a problem for fiber optics communications. But by using special lenses that can bend light by not only ...
Apr 02, 2012 |
4.2 / 5 (12) |
17
|
Researchers develop new method for the production of microlenses
Inspired from Mother Nature: The body of the brittlestar Ophiocoma wendtii is studded with tiny crystalline lenses made of calcium carbonate. Microlenses like these are of great interest technologically, yet th ...
Mar 26, 2012 |
5 / 5 (3) |
0
|
Astronomers using Hubble discover quasars acting as gravitational lenses
(PhysOrg.com) -- Astronomers using NASA's Hubble Space Telescope have found several examples of galaxies containing quasars, which act as gravitational lenses, amplifying and distorting images of galaxies ...
Mar 15, 2012 |
4.3 / 5 (3) |
1
|
Gravitational lens reveals details of distant, ancient galaxy
Thanks to the presence of a natural "zoom lens" in space, University of Chicago scientists working with NASA's Hubble Space Telescope have obtained a uniquely close-up look at the brightest gravitationally ...
Mar 08, 2012 |
4.6 / 5 (21) |
29
|
Miniature pressure sensors for medical touch
A new kind of flexible, transparent pressure sensor, developed at the University of California, Davis, for use in medical applications, relies on a drop of liquid.
Chemistry / Analytical Chemistry
Mar 05, 2012 |
5 / 5 (2) |
0
Dark matter core defies explanation
(PhysOrg.com) -- Astronomers using data from NASA's Hubble Telescope have observed what appears to be a clump of dark matter left behind from a wreck between massive clusters of galaxies. The result could ...
Mar 02, 2012 |
4.9 / 5 (25) |
87
|
Distorting the lens
(PhysOrg.com) -- One of the most bizarre predictions of Einstein's Theory of General Relativity is the existence of back holes, objects that are so dense that not even light can escape from their gravitational ...
Feb 09, 2012 |
5 / 5 (3) |
5
Darpa researchers design eye-enhancing virtual reality contact lenses
Currently being developed by DARPA researchers at Washington-based Innovega iOptiks are contact lenses that enhance normal vision by allowing a wearer to view virtual and augmented reality images without the ...
Technology / Hi Tech & Innovation
Feb 01, 2012 |
4.5 / 5 (2) |
2
Novel contact lenses provide extended pain relief to laser eye surgery patients
Scientists are reporting development of contact lenses that could provide a continuous supply of anesthetic medication to the eyes of patients who undergo laser eye surgery — an advance that could relieve ...
Jan 18, 2012 |
5 / 5 (1) |
0
