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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 ( ) 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: images: ) 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( ).

“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.” (

"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.'"

To do two things at once is to do neither. -- Publilius Syrus