FAQ About Zhang Heng
What was the invention of Zhang Heng's seismoscope?
The Zhang Heng seismoscope, invented around 132 AD, was an ancient earthquake detection instrument. It was designed to signal the occurrence of an earthquake by releasing a small ball from the mouth of a dragon's head into the mouth of a toad, indicating the direction of the earthquake. This invention demonstrated an advanced understanding of mechanical design and earthquake science.
