New Disc Could Hold A Thousand Times More Data

The lead scientists of a Japanese research team said that they have found a material that could be used to make a lower-price super disc with data storage capacity thousands of times greater than a DVD. According to Shin-ichi Ohkoshi, chemistry professor at the University of Tokyo, the material transforms from a black-colour metal state that conducts electricity into a brown semiconductor when hit by light. The material can switch back and forth between the metal and semiconductor states at room temperature when exposed to light, creating an effective on-off function for data storage. The material is made from a new crystal form of titanium oxide

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