The large Zenith telescope being built near Vancouver will use a pan of this liquid metal as a reflector
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Liquid metal telescope | MrReid.org  Aug 30, 2010 ... Telescope mirrors must be perfectly polished and accurate in shape ... Simply filling a pan with liquid mercury will create a perfectly flat* reflective surface; ... Large Zenith Telescope in Vancouver is the world's largest liquid mirror telescope. ... To give you some idea of how flat a liquid mirror is: if you built a...
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The Large Zenith Telescope  Dec 5, 2004 ... The Large Zenith Telescope project began in 1994, as a ... The aim was to develop a zenith-pointing telescope employing a rotating liquid-metal primary ... Knapp Research Forest, approximately 70 km East of Vancouver. ... It's rotating liquid mirror, weighing approximately 3 tonnes, is the largest ever built.
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Liquid mirror telescope - Wikipedia  Liquid mirror telescopes are telescopes with mirrors made with a reflective liquid. The most ... Liquid mirrors can be a low cost alternative to conventional large telescopes. ... Another difficulty is that a liquid metal mirror can only be used in zenith telescopes, i.e., that look straight up, so it is not suitable for investigations where...
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Zenitteleskop - WikiVisually  Das kanadische Large Zenith Telescope hat eine ffnung von immerhin sechs Metern. ... Established standard objects and events are used as units, the process of ... to a conventionally defined reference axis, the CIO, being the pole's average ..... liquid metal needed, thus weight, a rotating mercury mirror uses a container,...
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Flssiger Spiegel - WikiVisually  Das Large Zenith Telescope der University of British Columbia kostet mit ... Deposition of metal films on an ionic liquid as a basis for a lunar telescope. .... Gallium does not occur as a free element in nature, but as gallium .... setup permits the use of a mirror consisting of a smoothly spinning pan filled with copper mercury.
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Keck Observatory: Twin Telescopes on Mauna Kea - Space.com  Jun 28, 2014 ... The telescopes are located atop Mauna Kea, a dormant volcano in Hawaii. ... The Keck Observatory sits atop Mauna Kea on the Big Island of Hawaii. ... The primary mirror assembly of the 10-meter Keck II telescope is made of 36 ... along by dark energy  a little-understood concept that may (along with...
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SkyCity Restaurant at the Space Needle - Seattle, WA | OpenTable  Jul 6, 2016 ... Book now at SkyCity Restaurant at the Space Needle in Seattle, ... Take in the splendor of the Puget Sound from SkyCity, the Space Needle's world-famous revolving restaurant located 500' above ground ..... Tags: great for outdoor dining, romantic, scenic view .... Save room for the Lunar Orbitor for dessert.
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Natural Beauty Of Vancouver Could Steal The Spotlight From Expo ...  May 11, 1986 ... VANCOUVER, B.C.  Just 100 years after its founding, the city once called the ... Charles and Lady Diana cut the ribbon to officially open Expo 86. But while Canada`s man-made exposition will take center stage, the natural ... by the Japanese-built Pan Pacific, an elegant new luxury hotel (one of several...
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The Columbia River - Exhibits, Lewis and Clark 1905 Exposition ...  It drew nearly 1.6 million visitors and brought with it an economic boom to ... June and October 1905 at the 1905 Lewis and Clark Centennial Exposition in Portland, ... fitted onto the framework and motor of the damaged airship "City of Portland". .... The Willamette Meteorite is believed to be the inner iron core of a planet that...
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Interview with Harold Zirin - Caltech Oral Histories  Pasadena, California ... Harold Zirin, Professor of Astrophysics, emeritus, in the Division of Physics, ... Oral History Project, California Institute of Technology ... grant and funding applications; construction of Big Bear Solar Observatory; Lee...
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How to Make a Kaleidoscope | College of Optical Sciences | The ...  Mirrors Three for each kaleidoscope. Description and preparation. PVC pipe. One for each ... Compress the weather stripping slightly to make it fit. Insert a...
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NuSTAR's Russian Doll-like Mirrors | NASA  May 30, 2012 ... NASA Selects Next Generation Spectrometer for SOFIA Flying Observatory ... with dust to form the mass that may one day become a planet. ... 112 microns will not reach ground-based telescopes because water .... Between its highly sensitive detector and rapidly improving laser ..... How Cold Can You Go?
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Solar observatory in Big Bear grapples with prospect of being eclipsed  Dec 26, 2014 ... The dome of the Big Bear Solar Observatory, which houses a 1.6-meter ... Foundation, and the New Jersey Institute of Technology operates it on a ... in the San Gabriel Mountains above Pasadena, have deteriorated into ... Right now, I have no backup funding from the University of California and have had...
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telescope - The development of the telescope and auxiliary ...  May 4, 2016 ... Device used to form magnified images of distant objects. ... The reflecting telescope was developed in 1668 by Newton, though John Gregory had ... as long as 61 metres, but these instruments were too awkward to be effective. ... Since then, much better materials for mirrors have become available. Cer-Vit...
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Far-Off Speakers Seen as Well as Heard Here in a Test of Television ...  New York Times 8apr1927 ... But AT&T Head Sees a New Step in the Conquest of Nature After Years of Research. COMMERCIAL USE IN DOUBT ... the screen in the demonstration room of the Bell Telephone Laboratories at 55 Bethune Street. .... All we can say today is that there has been created a marvelous agency for...
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Newton's reflector - Wikipedia  Isaac Newton built his reflecting telescope as a proof for his theory that white ... He had concluded that the lens of any refracting telescope would suffer from the ... To create the primary mirror Newton used a custom composition of metal ... This unique addition allowed the image to be viewed with minimal...
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Adler Planetarium - Review - The New York Times  Feb 16, 2008 ... I am in a planetarium built in 1913, and the metallic sphere that ... Now the Adler Planetarium and Astronomy Museum displays the Atwood as ... one a traditional dome with a Zeiss Mark VI projector and the other a .... at the night sky or seeking its simulation within the Atwood Sphere. .... Create Account.
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Discovery STS-31  An Adventure Beyond the Mirror  Aug 9, 1990 ... The investigation board will now concentrate its efforts in two areas: refining ... The $1.5 billion telescope, which was ferried into space in April, was ... null corrector is the cause of the spherical aberration," Allen said. ... 17, 1990  edited) ... blamed the flaw on a measuring device used in making the mirror...
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Yerkes Observatory: Home of Largest Refracting Telescope  Aug 15, 2014 ... Yerkes Observatory is a 77-acre facility in Williams Bay, Wisconsin, that houses a 40-inch (100 centimeters) telescope, the largest refracting...
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Yerkes Observatory - Wikipedia  1897 photo of the 100 cm (40 in) refractor at the Yerkes Observatory. 2006 photo of the 100 cm (40 in) refractor at the Yerkes Observatory. A photo of the Messier 51 galaxy taken on June 3, 1902 at the Yerkes Observatory. Yerkes Observatory is an astronomical observatory in Williams Bay, Wisconsin operated by the ... Yerkes Observatory's 100 cm (40 in) refracting telescope was built by the...
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1 - Kiewit : Our Projects  Omaha, Neb. The Offutt Housing Privatization Project included the demolition of 1,370 homes, building 916 ... Henry Doorly Zoo Desert Dome. Omaha, Neb. The 13-story-tall Desert Dome, the world's largest glazed geodesic dome, replicates ... Kiewit was selected by the City of Somerton for the expansion of their Sequential...