Mempile developing disc that holds a large library
Posted on August 29, 2007 • By Deena Levenstein
Category: Technology |
1 terabyte (TB) = 1,024 gigabyte (GB) = 1,048,576 megabytes (MB)= 1,073,741,824 kilobytes (KB) = a ridiculously large number of bytes.
One TB is approximately 1,610 CDs worth of data. Or the information storied in one large library.
Got it?
So considering that one TB is, well, humongous, it’s quite amazing to think that Israeli Mempile says it’s able to fit 1 TB on the TeraDiscTM, a disc the size of a CD. Yes, the information from one large library will fit in the palm of your hand.
This is achieved by creating a disc that has 200 layers. Every layer contains 5GB, each 5 microns away from the next. A major challenge in the development of these discs is that the written information has to remain transparent so that a laser will be able to read the lower layers through the upper layers even once information is being stored on them.
Dr. Beth Erez, Mempile’s Chief Marketing Officer says the discs should be available in stores in two to three years and they will have a 50-year lifespan.
James Rivington, “How to fit 1TB of data on one CD-sized disc”, Tech.co.uk, August 24, 2007.
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