Engineering Students Develop Solar Icemaker

Engineering Students Develop Solar Ice Maker 

Just when you thought ice cube-creation technology had peaked, a team of engineering students from San Jose State University has come up an ice maker that has zero carbon footprint. It’s more than an eco-party trick – consider it an electricity-free alternative to refrigeration and air conditioning, which is critical if you happen to be somewhere off of the electrical grid, like in the developing world or in a disaster zone.

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Images Stored in Vapors

Images Stored in Vapors

The original image (left), the image slowed for 6 microseconds (middle), and the image stored for 2 microseconds (right). 

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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