Cai Lun introduced paper and papermaking to replace
tablets of bone or bamboo, which were heavy,
and silk, which was expensive.
He taught how to separate, in water, fibers
from hemp, rags, and the inner bark of mulberry trees
and to pour this through a woven cloth
to leave a thin mat of fibers to be pressed and dried.
The magic of paper
Because of paper
literacy and literature
in China blossomed.
In medieval Europe
scholasticism
and the reformation.
Paper moon
Paper kite
Paper crane
Paper moon
“I shall write peace upon your wings,
and you shall fly around the world so that children
will no longer have to die this way.”
—credited to Sadako Sasaki, who died from the effects of the nuclear bomb on Hiroshima
“Say, it’s only a paper moon /
Sailing over a cardboard sea /
But it wouldn’t be make-believe /
If you believed in me.”
—E. Y. Harburg and Billy Rose
“I shall write peace upon your wings, and you shall fly around the world so that children will no longer have to die this way.” —credited to Sadako Sasaki, who died from the effects of the nuclear bomb on Hiroshima
“Say, it’s only a paper moon / Sailing over a cardboard sea / But it wouldn’t be make-believe / If you believed in me.” —E. Y. Harburg and Billy Rose
See also in The book of science:
Readings on wikipedia: