Uncategorized
- Materials Science
Flattery for Faience
By replicating ancient materials with their own hands, researchers are gaining new insights into details of Egyptian faience manufacture that have been lost for thousands of years.
- Planetary Science
Exploring the Red Planet
Searching for signs of subsurface water on the Red Planet and analyzing the elemental and mineral composition of surface rock, NASA's Mars Odyssey spacecraft begins its main mapping mission next month and may shed light on several enduring puzzles about the planet.
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If the stones in this article simply were used for grinding ocher to make powder, would not the grinder rough up the surface to make it a better grindstone? The marks may be nothing more than primitive knurls.
