Eco-friendly disc to store data on corn

TOKYO (AFP) - [size=-1] Giving a new meaning to the term grassroots music, Pioneer Corp. said it had developed a next-generation disc made of corn to let the eco-conscious consumer dispose of data in the soil.[/size] [size=-1] The Japanese electronics maker said the Blu-ray optical disc, which can be written once and stores 25 gigabytes of data, is 87 percent natural polymer derived from corn and biodegrades. [/size]

[size=-1]"If the starch polymer is incinerated, it will not emit dioxins and any other harmful chemicals," the company said. [/size]

[size=-1]While the disc can theoretically be eaten, it is coated by a 0.1-millimeter (0.004-inch) thick layer of resin and is too hard for even the strongest teeth. [/size]

[size=-1]Pioneer has yet to decide when to market the disc. [/size]

[size=-1]Earlier this year Sony Corp (NYSE:SNE - news) (news - web sites). and another Japanese company Toppan Printing said they had developed a paper disc that can be destroyed with scissors for fool-proof data security. [/size]

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