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SolFocus - Products & Technology:
SolFocus CPV systems are designed to deliver the lowest Levelized Cost of Energy (LCOE) and the highest energy density of any solar-energy generating systems. By concentrating sunlight using innovative optics onto a small area of high-efficiency solar cell material, SolFocus systems dramatically reduce the amount of expensive and often supply-constrained solar material used in the system. The multi-junction solar cells incorporated into the system provide the highest levels of efficiency in converting light to electricity. These cells also offer the benefit of not being impacted by high temperatures which cause dramatic degradation of performance in other systems such as silicon PV and thin film cells. The largest portion of the SolFocus systems is glass and aluminum which are readily available and have proven field durability. The result is solar energy systems which are cost-efficient, reliable and scalable globally to gigawatts of energy production.
The SolFocus CPV panels are mounted on a dual-axis tracker that maintains the alignment of the optics with the sun. The tracking system, designed by SolFocus subsidiary InSpira, has been engineered for optimal flexure, pointing accuracy and tracking range to deliver the highest energy production. Inspira-designed trackers are recognized for their leadership in robust design and tracking accuracy. The close coupling of SolFocus CPV panels with the design of the tracker results in a system optimized for high output and system reliability.
The Daily Dish | By Andrew SullivanOr one reason I
don't answer my cell-phone:
One study by researchers at the University of California at Irvine monitored interruptions among office workers; they found that workers took an average of twenty-five minutes to recover from interruptions such as phone calls or answering e-mail and return to their original task.
The New York Review of BooksInformation is exploding so furiously around us and information technology is changing at such bewildering speed that we face a fundamental problem: How to orient ourselves in the new landscape? What, for example, will become of research libraries in the face of technological marvels such as Google?
How to make sense of it all? I have no answer to that problem, but I can suggest an approach to it: look at the history of the ways information has been communicated. Simplifying things radically, you could say that there have been four fundamental changes in information technology since humans learned to speak.
