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Thread: How to Fit 1,000 Terabytes Onto a DVD

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    Default How to Fit 1,000 Terabytes Onto a DVD




    The Swinburne team, led by optoelectronics professor Min Gu, did something different. They used two lasers instead of one.

    Each laser beamed a different wavelength of light onto the disk. The first one was in the near-infrared and created a spot of light, just like an ordinary DVD laser. The second laser beam was violet and partially interfered with the near-infrared beam in a way that ultimately shrank the spot burned into the disk. The technique shrank the size of the spot down to nine nanometers, enough to put 1,000 terabytes on a disk. For comparison, a Blu-Ray disk can hold 50 GB of data and a typical DVD holds about 4.7 GB of data.

    How to Fit 1,000 Terabytes Onto a DVD : Discovery News

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    Default Re: How to Fit 1,000 Terabytes Onto a DVD

    0.0 now all we have half to do is wait for them to do the same thing with hdd and ssd tho i think lasers wouldnt work for an ssd

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    Default Re: How to Fit 1,000 Terabytes Onto a DVD

    Still unsure why we haven't gone to disc platters, in much the same way as a harddrive.

    They did this on a normal DVD? Not a DVD-like disc? Article doesn't specify.

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