One of the problems with m


One of the problems with magnetic storage (Hard Drives), is that the magnetic fieldsweaken over time. This will cause data bits to be lost. One wrong data bit in a file will invalidate the whole file. The only way to maintain them at the optimum, is to read and then rewrite the data from time to time.

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The best lenses for video — 2021

Lenses are key to making your favorite camera create the images you envision. These are the best lenses for video available today.