π€― Verified Fact Β· Inventions
Wacky WorldInventions
Cai Lun, an official of the Han dynasty, is traditionally credited with improving papermaking around 105 CE using bark, hemp and rags.
Excel, SAP, Oracle & automation tips β plus wacky facts
Wacky WorldInventions
Cai Lun, an official of the Han dynasty, is traditionally credited with improving papermaking around 105 CE using bark, hemp and rags.
Bones are stronger than steel of the same weight.
Weight for weight, bone is remarkably strong, especially under compression, because of its mix of collagen and mineral.