coolsciencegifs: REWRITABLE PAPER AND WATER INK COULD SIGNIFICANTLY CUT PAPER WASTE A new type of rewritable paper that uses water as ink could slash the amount of paper that’s wasted daily, researchers say. The paper contains hydrochromic dyes —
coolsciencegifs: REWRITABLE PAPER AND WATER INK COULD SIGNIFICANTLY CUT PAPER WASTE A new type of rewritable paper that uses water as ink could slash the amount of paper that’s wasted daily, researchers say. The paper contains hydrochromic dyes —
