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reflex
11-26-2006, 10:14 PM
Found this today and thought it was interesting:

http://www.arabnews.com/?page=4&section=0&article=88962&d=18&m=11&y=2006


The breakdown of what's on that page:


A Kerala student has developed a technique for portable data whereby the data can now be stored on ordinary paper. And to boot, larger amounts of data can be had on lesser space.

The extremely low-cost technology will drastically reduce the cost of storage and provide for high-speed storage as well. Files in any format such as movie files, songs, images and text can be stored using this technology.

Currently, of the several options available for data storage, DVDs are the best mode. But a high quality DVD, which is very expensive can store only about 4.7 gigabyte (GB) of data. In contrast, the Rainbow Versatile Disc (RVD) can store 90 to 450 GB. And Sainul has simultaneously developed a scanning drive based on his Rainbow software which will come in smaller sizes to be initially carried with the laptops and later to fit into their bodies.

Sainul says a CD or DVD consumes 16 grams of polycarbonate, a petroleum by-product. While a CD costs Rs.15 (SR1.25), his paper or plastic-made RVD will cost just about Rs.1.50 and has 131 times more storage capacity.

Sainul, who has just turned 24, says that instead of using zeroes and ones for computing, he used geometric shapes such as circles, squares and triangles for computing which combine with various colors and preserve the data in images. An RVD therefore looks like a printout of modern art.

The computable data printed on a paper can be attached in a tearable sheet and will be capable of carrying even software programs, or movies, MP3 data or text. Sainul is promoting the theme of disposable storage and says newspapers, magazines and video albums could benefit from the idea and also distribute their material in this form in order to curtail use of paper and facilitate the disposal of the waste.

Sainul is simultaneously molding the technology into “Rainbow Cards” which will be of SIM card size and store 5 GB of data equivalent to three films of DVD quality. Sainul says as “Rainbow Cards” will become popular, Rainbow Card Readers will replace CD drives of mobile phone and computer notebooks and will enable more data in portable forms for mini digital readers.

Quoting a research study carried out in the US in 2003, he says the entire static data in the US would require $5 billion (Indian Rupees 230 billion) for storage with the current storage devices. But Rainbow based databank could reduce the cost to Rs.3.5 million. He says he could construct databank with almost 123.60 Peta Byte (PB) capacity.