Astronauts of the shuttle Endeavour are preparing for the fifth and final spacewalk in this visit to the International Space Station. This spacewalk aims at mounting the shuttle's inspection boom on the space station's solar power truss for use by the next station assembly crew.
US computer chipmaker Intel Corp. on Thursday confirmed its plan to launch the low-cost Classmate PC laptops in the United States and Europe. The inexpensive notebook initially designed for school kids in poor countries.
The government airwaves auction saw heavy duty action today, with two of the largest cell phone companies in the United States, Verizon Wireless and AT&T, making their presence felt during the bidding process.
Atlanta -- U.S. physicists have found applying an electrical field to a surface-supported gold nanocluster changes it from three-dimensional to a 2-D flat structure.
And in another study concerning gold on the nanoscale, Georgia Institute of Technology researchers relate their discovery that nanosized gold can be made magnetic through oxygenation of gold nanowires to the finding that up to a certain length, oxygenated gold nanowires behave as a conducting metal, but beyond that, they become insulators.
The research, the scientists said, marks the first time such a metal-to-insulation transition has been found on the nanoscale.
The scientists said both findings are important predictions that could some day be implemented as control parameters governing the chemical and physical material properties employed in nanotechnology.
Colubus, Ohio -- U.S. engineers are developing a technique to coat jet engine turbine blades with zirconium dioxide, known as zirconia, to combat high-temperature corrosion.
Ohio State University Professor Nitin Padture, who led the study, said the zirconia chemically converts sand and other corrosive particles that build up on the blades into a new, protective outer coating -- in effect allowing the blade to constantly renew itself.
He said the technology might enable manufacturers to use new kinds of heat-resistant materials in engine blades, so that jet engines will be able to run hotter and more efficiently.
Padture, who began the research while at the University of Connecticut, is working with the Inframat Corp., a nanotechnology company, to further develop the concept. The University of Connecticut has applied for a patent on the technology.
The much-delayed Windows Vista's first "service pack" is finally available for the public. Software giant, Microsoft on Tuesday announced the public availability of Vista SP1, an update to Windows Vista that the company claims addresses specific reliability and performance issues, supports new types of hardware, and adds support for several emerging standards.
The online social networking directory, Facebook announced on Tuesday it is rolling out new privacy features that will give users the ability to decide who can see the data stored on their profile pages, enabling them to preserve social distinctions between friends, family and co-workers online.
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