Waterjet Channel on MSN
Watch me cut through petrified wood like butter
We created the world's sharpest obsidian knife, which outperforms a scalpel, using a 60,000 PSI waterjet to craft an ...
The Drake Company Stone Cutting and Polishing Works once dominated the east side of the falls of the Big Sioux River. The company was started by James Haines Drake in 1883. The operation was comprised ...
OGALLALA To untrained eyes, a hunk of petrified wood looks like nothing more than a rough old rock. But Howard and Harvey Kenfield look at petrified wood and know all about the surprises that hide ...
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