Behar-Behukotai 5773 (May 3, 2013)

The other night I read a magazine article on the construction of the Giant Magellan Telescope (GMT), an international collaboration to construct the greatest earth-based observatory up in the Andes Mountains in Chile.  The technology involved in manufacturing the massive set of primary mirrors, with an effective diameter of 24.5 meters (80 feet), is remarkable,…