Roman, Egyptian, and Chinese civilizations had many different ingenious inventions. Chocolate was a big aphrodisiac for Mesoamerican civilizations and used for energy. The first earthquake detector is ...
The 85 items of important scientific and technological inventions of ancient China were recently announced by the Institute for the History of Natural Science, Chinese Academy of Science. Photo shows ...
Cai Lun of the Eastern Han Dynasty (25-220) successfully invented the world's first batch of paper using fish nets, tree bark, bits of rope and rags. [xinhuanet.com] It is known to all that China was ...