They look like whirlpools of light trapped in a piece of round glass, but these nano-structures may be the next type of computer memory.

We've sure come a long way since frying ants with a magnifying glass. Researchers at the University of Southampton used nano-structures to create millimeter-sized “monolithic glass space-variant polarization converters,” which ultimately changes the way light travels through and is stored in glass. Lydia Leavitt/Engadget.

 

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