Apple QuickTime movie | 1994-10-18 | 5.9 MB | 160x120 | 10fps | 2 minutes, 13 seconds
Transcription: When engineers at the Homestake Mine in South Dakota wanted to determine the safest, most efficient way of extracting unmined gold ore, they turned to a Cray research system. For more than 100 years, miners had removed ore from the mine, at first by strip mining, and then moving to underground methods. In the 1950s, they stopped operations when they got too close to the vertical mine shaft. Left behind was a pillar 60 by 150 meters thick and 150 meters high, containing more than 2 million tons of unmined ore. Homestake engineers worked with the United States Bureau of Mines to develop a comput ...
(.mp4)