Premium telescope mirror manufacturing involves a multi-stage process beginning with grinding a mirror blank to a precise parabolic curve using grit and water, followed by polishing and figuring to ...

Manufacturing of the James Webb Space Telescope (JWST) progressed further with the delivery of the telescope’s first mirror segment for grinding and polishing in late September. Northrop Grumman ...

The first flight mirror segment for NASA’s James Webb Space Telescope’s (JWST) primary mirror has completed its final polishing process, the first of 18 segments that comprise the Observatory’s 21 ft.

Mirror photo by Rachel Foor Rockland’s Engineering Director Ryan Diehl talks to a grouo of BCTC students as a part of their tour through the facility for PA manufacturing week. BEDFORD — Hundreds of ...