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magnetic storage |
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A medium for holding information (data, voice, video, etc.), such as tape and disk. The medium can be erased and reused over and over again. In the digital world, information is recorded by writing tiny spots (bits) of negative or positive polarity on tapes and disks. A read/write head discharges electrical impulses onto the moving ferromagnetic surface. Reading is accomplished by sensing the polarity of the bit with the read/write head. |
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| Finite-element methods along with Monte Carlo simulations were used to design a magnetic storage device for ultracold neutrons (UCN) to measure their lifetime. According to the study, magnetic storage is by far the preferred medium for storing information and is the fastest growing, with shipped hard drive capacity doubling each year. A real density (or bit density), the amount of data that can be stored in one square inch of surface area of recording media, has become the most significant factor in the rapid evolution of magnetic storage technologies. |
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