Modern reconstruction of the Houfeng Didong Yi. The Chinese Museum Calgary Alberta/Wikimedia Commons ======================================================================== Chinese scientists are exploring the possibility of recreating a modern, more sophisticated version of an ancient earthquake sensor allegedly invented nearly 2,000 years ago. The original, called the Houfeng Didong Yi, was, according to Chinese lore, invented in 132 AD by the famous Chinese polymath Zhang Heng. This is widely considered the world’s first dedicated seismoscope (earthquake detector). However, claims around the existence of this device have been questioned in recent years, with many citing that it was too advanced for the time. The Houfeng Didong...