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Submission + - A look inside the 8K theater technology at the newly renovated Fiske Planetarium 1

An anonymous reader writes: Sky gazers at CU-Boulder’s Fiske Planetarium ( http://fiske.colorado.edu/beta/ ) are getting better, clearer and deeper views. And not just of astronomy anymore.

The planetarium has been upgraded, transforming it into a digital IMAX-like theater (thread: http://np.reddit.com/r/space/comments/1owy12/a_look_inside_the_8k_theater_technology_at_the/ images: http://imgur.com/a/0vaj8 ) that’s open to the public every Saturday and Sunday with a variety of programs including shows for children. In addition to space odysseys and laser shows — longtime favorites of audiences — movies are now part of the Fiske lineup( http://www.boulderijournal.com/article.php?id=9779 http://connections.cu.edu/across-cu/modernized-fiske-planetarium-reopens/ ).

“Just like at an IMAX theater, we can take you near a black hole, through the Grand Canyon, under the ocean, or up to a super volcano,” said Doug Duncan, director of Fiske. “The sky is no longer the limit.” (http://www.colorado.edu/news/features/modernized-fiske-takes-viewers-through-universe-high-definition)
Science

"Perfect" Mirrors Cast For LSST 114

eldavojohn writes "The Large Synoptic Survey Telescope (which was partially funded by Gates & Co.) announced a world record casting for its single-piece primary and tertiary mirror blanks, cast at the University of Arizona. From the announcement: 'The Mirror Lab team opened the furnace for a close-up look at the cooled 51,900-pound mirror blank, which consists of an outer 27.5-foot diameter (8.4-meter) primary mirror and an inner 16.5-foot (5-meter) third mirror cast in one mold. It is the first time a combined primary and tertiary mirror has been produced on such a large scale.'"

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