alarm clock, ancient technology, mysteries, prophet, science, stone, timekeeping, Ye Xin

Ancient Technology: The Timekeeping Stone That Rings at Set Intervals

During the Wanli era of the Ming Dynasty (1573-1620), in Guixi (now Guixi City, Jiangxi Province), a villager was plowing his field when he discovered the remains of an ancient city wall. Out of curiosity, the man started digging. As he dug further, he finally uncovered a beautifully colored stone. He decided to bring the ...

Tatiana Denning

Was there a timekeeping stone?