LONGVIEW, Wash. — White liquor, a superheated chemical mixture used to break down wood into paper pulp, is at the center of ...
Paper is a ubiquitous part of everyday life, but how is it made, and where did it originate? Ancient Egyptians made an early version of plant-based paper using papyrus — which is where the word "paper ...
Most scholars cite the invention of paper as occurring in AD 105 when an eunuch in the Han court named Cai Lun created a papermaking process that was reported to the Chinese Emperor by Ts’ai Lun, an ...
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