The Chinese invented the early version of the compass in 221-226 B.C. Later on in the 8th century they began using magnetized needles as pointers . Between 850-1050 compasses became a common tool aboard ships.
The worst way to experience an earthquake has to be waking up in the middle of the night to all that chaos. So a Chinese inventor has revealed a new and improved version of an earthquake-proof bed that supposedly helps you survive a worst case scenario—but at what cost?
Chinese inventor Wang Wenxi’s earthquake-proof beds will bury you alive…. The Ultimate Theft-Proof Drawstring Backpack Backyard Granny Pods Could Be Great Alternative To Nursing Homes Comments comments