![]() ![]() Active regions are associated with sunspots and magnetic activity. Further analysis of the Metis data showed that the speed of the plasma above this region was very slow, as would be expected from an active region that has yet to release its stored energy.ĭaniele instantly thought this resembled a generating mechanism for the switchbacks proposed by Prof. Gary Zank, University of Alabama in Huntsville, USA. The theory looked at the way different magnetic regions near the surface of the Sun interact with each other.Ĭlose to the Sun, and especially above active regions, there are open and closed magnetic field lines. The closed lines are loops of magnetism that arch up into the solar atmosphere before curving round and disappearing back into the Sun. Very little plasma can escape into space above these field lines and so the speed of the solar wind tends to be slow here. Open field lines are the reverse, they emanate from the Sun and connect with the interplanetary magnetic field of the Solar System. The Canon ImageFORMULA R40 scanner is a handy document scanner ideal for one-off projects or, more seriously, regular document imaging. It lacks networking, making attachment to a host computer a necessity in using it. Still, in every other respect, it's an excellent choice for those that want to dip their toes in document imaging without overspending. ![]() We especially liked the bundled applications that cover conventional scanning tasks, OCR, and even business card capture. The default CaptureOnTouch tool is simple yet has sufficient features to satisfy business workflows. It shines in those scenarios involving emailing scanned documents and saving them to a local folder and on the cloud. Multiple operations can be executed with a single scanning action, which makes for efficient scanning and reduces the cost of ownership.Īs dedicated business scanners go, the R40 is highly affordable, and Canon has designed it with roller replacements for those who want to utilize this design's 4,000 pages a day potential. ![]()
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