Invention - reusable paper
by Marshall Brain
This is not recycled paper - this is paper that you can quickly erase and reuse. Since the average document has a typical lifespan of about a week, being able to reuse the paper could be a big win. In this case, you “write on” the paper with UV light, and erase it with heat.
A description:
New way to save energy: Disappearing ink
A demonstration of reuseable paper:
[[[See previous invention]]]
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