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נשלח ב-10/5/2014 22:40 לינק ישיר 
180 טרהבייט בקלטת אחת

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תוקן על ידי itshak57 ב- 10/05/2014 23:17:08




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נשלח ב-10/5/2014 22:43 לינק ישיר 

New cassette tape could hold 47 million songs

Doug Gross, CNN
By Doug Gross, CNN
May 8, 2014 d 1831 GMT (0231 HKT) | Filed under: Innovations
In 1963, Philips Electronics officially introduced the "compact cassette," which contained a length of audio tape approximately 3.15 millimeters wide that ran at 1-7/8 inches per second. It was inted to replace the bulkier reel-to-reel tape and be used for dictation, but over the next 50 years, it would prove to be far more versatile. Lou Ottens, shown here, led Philips' team.In 1963, Philips Electronics officially introduced the "compact cassette," which contained a length of audio tape approximately 3.15 millimeters wide that ran at 1-7/8 inches per second. It was inted to replace the bulkier reel-to-reel tape and be used for dictation, but over the next 50 years, it would prove to be far more versatile. Lou Ottens, shown here, led Philips' team.
HIDE CAPTION
50 years of the cassette
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STORY HIGHLIGHTS
  • Sony has made a cassette tape that can store more than 1,100 iPod Classics
  • A single cartridge can hold 185 terabytes of data
  • It may be sold, but likely not for personal media

(CNN)  Forget the cloud, and rework your mental image of those mysterious data centers. Sony has reinvented a tool for storing a mind-numbing amount of data:

A cassette tape.

But this isn't one of those rattling plastic tapes you used to compile your ultimate summer road-trip jams and, too often, were probably forced to rewind with a pencil.

Sony's record-breaking magnetic tape technology allows it to store 180 terabytes of data on a single cartridge. That's the same amount of storage as 1,184 iPod Classics, Apple's roomiest music player, which can hold about 40,000 songs. Using that number, Sony's new cassette could technically store about 47.3 million songs of its own.

That's enough jams for a really long road trip say, driving in Atlanta during a snowstorm.

If you're more of a movie buff, think of it this way. The cartridge, which stores 148GB of data per inch of tape, has room for 3,700 Blu-ray discs full of your favorites.

The number obliterates the standing record, set in 2010 when Fuji developed a tape that could hold 35 terabytes of data.

Sony, which worked with IBM on the tape, presented the new technology over the week at InterMag Europe, a magnetics conference in Dresden, Germany.

In very simple terms, the technology involves shrinking the microscopic magnetic particles on tape that store data. On average, the new particles are 7.7 nanometers wide. There are 10 million nanometers in one centimeter.

In a news release, Sony said it would like to pursue a commercial use for the new cassette tape technology, as well as continuing to improve it.

But if you're dreaming of someday popping that tape into some sort of digital-age boombox and pushing "play," you may be in for a bit of a disappointment.

Tape has the potential for massive data storage, but it's unwieldy to actually use. Recording to, and retrieving data , tape takes a lot longer than digital storage devices and players we've become accustomed to in an era of Web streaming.

So, it's a lot more likely that tape will be used to back up huge databases than to save, and play, our music collections. That's too bad. We liked the idea of needing only one cassette for a cross-country drive




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