Australian Scientists Develop Printable A3-Sized Solar Cells Friday, May 17 2013 

The researchers at Australia’s Victorian Organic Solar Cell Consortium (VICOSC) — a collaboration between the Commonwealth Scientific and Industrial Research Organisation (CSIRO), the University of Melbourne, Monash University and industry partners — have managed to print photovoltaic cells the size of an A3 sheet of paper.

“There are so many things we can do with cells this size. We can set them into advertising signage, powering lights and other interactive elements. We can even embed them into laptop cases to provide backup power for the machine inside,” said CSIRO materials scientist, Dr. Scott Watkins.

These cells produce 10-50 watts of power per m2, and could be used to laminate the windows of skyscrapers, giving them an additional source of power. Or they could be printed onto materials such as steel, meaning they could be embedded into roofs of buildings. Photovoltaic cells — the building blocks of solar panels — have been printed before, but the printing process was different.

For their printable solar cells, the VICOSC team used photovoltaic ink, a $200,000 printer, and techniques similar to those you’d use “if you were screen printing an image on to a t-shirt.”

One of the most important aspects of this approach, claims Watkins, is accessibility. “We’re developing our processes to be able to use these existing printing technologies so that the barrier to entry for manufacturing these new printed solar cells is as low as possible,” he said.



Enhance and retouch your images with Snapheal an inexpensive alternative to Adobe Thursday, May 16 2013 

Snapheal is a simple but powerful photo editor for Mac that allows you to use a variety of tools to enhance and retouch your images. Without the knowledge of complex tools such as Photoshop, you can improve gamma, saturation, contrast, color temperature; adjust light levels, shadows, highlights and much more, in just a few clicks. Snapheal is also fully integrated with iPhoto, Aperture and Photoshop.

Recent changes: Major update for Snapheal 2.0 with tons of new features is live! The new Snapheal includes: MacBook Pro Retina display support 3X faster & flawless erasing: thanks to innovative smart pixel identification algorithm New erasing tools & functions: polygonal lasso tool, higher erasing precision, one-click switch between erasing modes New Retouch & Adjustment tools for Pro color play Clone & Stamp tool significant performance optimization User interface improvements Lightroom 4.0 import support OS X 10.8 Mountain Lion compatibility Overall memory usage and performance improvements iCloud support.

Review last updated: 24/04/13


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