May 12, 2009 | 3
The Mars rover Spirit has suffered through many hardships in its five years on the forbidding planet, outliving the scope of its original mission by more than 20 times in the process.
But now Spirit faces a new and tricky challenge—its wheels have partly sunk into a patch of soft soil. The rover's controllers have put a halt to driving operations while they try to figure out how to get it unstuck.
"Spirit is in a very difficult situation," John Callas, project manager for the rovers at the NASA Jet Propulsion Laboratory (JPL) in Pasadena, Calif., said in a statement yesterday. "We are proceeding methodically and cautiously. It may be weeks before we try moving Spirit again." A JPL spokesperson said today that the rover's condition had not changed.
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The Dow Chemical Company is the leading producer of polyalkylene glycols (PAGs) used in synthetic fluids and lubricants where petroleum,
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Reward: $20,000 USD
Conventional washing machines cause excessive damage and wrinkling to clothes primarily during the water removal step. With the introduc
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