The name of the common mineral quartz derives probably from the old word "querch," meaning dwarf. In ancient times it was believed that mountain spirits could hide the ore from the miners or transform ...
A bridge in Old Fort, North Carolina, appears damaged on September 30, following Hurricane Helene. Old Fort is roughly 30 miles from the town of Spruce Pine, which supplies much of the world's ...
A slice of quartz ground to a prescribed thickness that vibrates at a steady frequency when stimulated by electricity. The tiny crystal, about 1/20th by 1/5th of an inch, creates the computer's ...
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