Latest Charles Bauschlicher Stories
Diamonds may be rare on Earth, but they are surprisingly common in space -- and the super-sensitive infrared eyes of NASA's Spitzer Space Telescope are perfect for scouting them, say scientists at the NASA Ames Research Center in Moffett Field, Calif. Using computer simulations, researchers have developed a strategy for finding diamonds in space that are only a nanometer (a billionth of a meter) in size. These gems are about 25,000 times smaller than a grain of sand, much too small for an...
- The navel or umbilicus.
- In Greek archaeology: A central boss, as on a shield, a bowl, etc.