Volume 92 Issue 49 | p. 30 | Concentrates
Issue Date: December 8, 2014

Write With Light, Erase With Heat, Repeat

Researchers use redox chemistry to create a rewritable alternative to paper
Department: Science & Technology
News Channels: Materials SCENE, Nano SCENE, Organic SCENE
Keywords: rewritable paper, redox

Despite the digital revolution, people still use a lot of paper. Recent international surveys suggest that businesses retain 90% of all information on paper even though that paper is discarded after a single use. Chemists at the University of California, Riverside, hope that a rewritable paper alternative they’ve developed will someday lead to smaller piles of paper. Yadong Yin and colleagues created a solid composite film upon which they can write using . . .

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