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Three Terabytes (3,000 Gigabytes) on a CD-R?!

Yes, three-holy-terabytes (3,000-gigabytes) of data on an optical disc the size of our regular CD-R might just be possible soon! Harvard researchers have developed an “optical nano antenna” which helps focus light from an inexpensive laser onto a spot size of 40-nanometers. To put things into perspective: CDs use lasers with a wavelength of 780-nanometers, DVDs [...]

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