BBC NEWS | Science & Environment | How to fit 300 DVDs on one disc

The researchers say this could see a whopping 1.6 terabytes of information fit on a DVD-sized disc.

They describe their method as “five-dimensional” optical recording and say it could be commercialised.

The technique employs nanometre-scale particles of gold as a recording medium.

Researchers at Swinburne University of Technology in Australia have exploited the particular properties of these gold “nano-rods” by manipulating the light pointed at them.

The team members described what they did as adding three “dimensions” to the two spatial dimensions that DVD and CD discs already have.

via BBC NEWS | Science & Environment | How to fit 300 DVDs on one disc.

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