GMT2: The Steward Observatory Mirror Lab casting crew inspects over 38,000 pounds of E6 borosilicate glass pieces for every 8.4 meter diameter mirror blank cast. Randy Lutz, manager of the Lab casting team, uses polarized lighting and glasses to verify the quality of each glass piece shipped from Ohara in Japan. Only the highest quality glass is used in the casting process.
Greg Hansen's Video Notebook ... on Arizona basketball and playing the Ducks in Eugene
In this edition, Arizona Daily Star sports columnist Greg Hansen joins sports editor Ryan Finley via Google Hangouts from Oregon to discuss the UA's last regular season game in Eugene against the Ducks, how Oregon's up-and-down season came to be and whether the Cats will go all out with so much already wrapped up.