5D Storage Could Hold 500TB or 10,000X More Data Than Blu-ray

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‘5D’ storage could hold 10,000 times more data than a Blu-ray disc
A new method of writing data onto glass using lasers could store 500TB on a single optical disc – but it takes so long to create that its applications may be limited.

A 1-inch square of glass can store 6GB of data
(Yuhao Lei and Peter G. Kazansky, University of Southampton)