NASA’s enduring and plucky Mars rover, Opportunity, has arrived at the rim of Victoria Crater. Initial images from the rover show rugged walls with layers of exposed rock and a floor blanketed with dunes. The far wall is approximately 800 meters (1/2 mile) from the rover. “This is a geologist’s dream come true,” said Dr. […]
Physicists at the University of Leeds have embarked upon an ambitious multimillion-dollar project to develop new materials that they hope will allow computers to become faster and smaller. Instead of using electrical charges to represent data; processors and memory made of the new materials would rely on magnetism. The researchers claim that using magnetism in […]
