Physicists Store Images in Vapor

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The original image (left) the image slowed for 6 microseconds (middle) and the image stored for 2 microseconds (right). The technique to improve image resolution was not used for these images. Credit: M. Shuker et al. 2008 APS.
The original image (left), the image slowed for 6 microseconds (middle), and the image stored for 2 microseconds (right). The technique to improve image resolution was not used for these images. Credit: M. Shuker, et al. ©2008 APS.

Books are written on solid pieces of paper for an obvious reason: the atoms in a solid don’t move around much, keeping the words and pictures in place for centuries. Trying to store letters and images in a gas medium, on the other hand, seems a little far-fetched. Atoms in a gas are constantly moving around, which would move the images around with them.


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