This is great news for environmentalists, Xerox invented a piece of paper that will reset to a blank page after a given time (one day).This is very interesting, as we tend to write something down on a page and only use it for xx hours and then throw it away.
Now, we can write something down, and the page will remove the content on it after a given time. Would make a great thing to create secret notes, text that disappears after reading(xx minutes).
The revolutionary printing technology was developed by both Xerox and Palo Alto Research Center (PARC). Research by Xerox indicates that 40% of all paper used can be replaced with this 'erasable paper'.
To develop the erasable paper, the researchers needed to identify ways to create temporary images. The "a-ha" moment came from developing compounds that change color when they absorb a certain wavelength of light but then will gradually disappear. In its present version, the paper self-erases in about 16-24 hours and can even be used multiple times.
[Source: Coolest-Gadgets]
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