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 ...

Doctor Who has a lot of gadgets, characters and inventions that could sell toys, but the most underrated invention on the show might be the Doctor's psychic paper. The Doctor carries it around in a ...

Every week my column gets printed on paper. Sometimes I use paper to dry my paws. Or clean up after I use the litterbox. I asked my friend Xiuyu Wang who invented paper – and why. He ’s at Washington ...

A French accountant invented the machine that made modern paper possible. His employer sent the design to England behind his back. Two English brothers paid for the development and got their name on ...

It sounds impossible: Just add water to a piece of paper and get energy. Researchers at Empa, a Swiss research institute, devised a proof of concept for a water-activated disposable battery powered by ...